Stainless Steel end mill SFM and chip load (IPT) chart

Metal (beta) › stainless steel

Beta: metal milling. Every number is sourced from the tool manufacturer's published data and linked to its source. Rows marked ⚠ carry a note about that row. Starting points only: verify against your tool's own chart.

Stainless Steel: SFM & IPT for carbide end mills

537 published values. RPM = 3.82 × SFM ÷ D, feed IPM = RPM × flutes × IPT. Calculate for your machine →

Harvey Tool: General Machining Guidelines: Carbide End Mills

Tool: Solid carbide end mill (general guideline, any flute count). Facts sourced with attribution and link; table layout not reproduced. Harvey notes values are suggested starting values.

Grade (as listed)	Cut	Dia	SFM	IPT (in)	Note	Source
Austenitic: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9	general	1/8"	100–250	0.0001	⚠ Very low IPT at small diameters (.0001-.0002) as published; risk of rubbing/work hardening. Confirm. Spot-checked 2026-10-16: 0.0001 IPT confirmed as published. Caution: austenitic stainless work-hardens; keep the tool cutting and avoid dwelling or rubbing. ⚠ Outlier: IPT 0.0001 vs median 0.0004625 of 4 other source(s) (-78%); SFM 175 vs median 272.5 of 8 other source(s) (-36%)	Harvey Tool
Austenitic: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9	general	3/16"	100–250	0.0002	⚠ Very low IPT at small diameters (.0001-.0002) as published; risk of rubbing/work hardening. Confirm. ⚠ Outlier: IPT 0.0002 vs median 0.001 of 3 other source(s) (-80%); SFM 175 vs median 272.5 of 8 other source(s) (-36%)	Harvey Tool
Austenitic: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9	general	1/4"	100–250	0.0005	– ✓ Cross-checked	Harvey Tool
Austenitic: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9	general	3/8"	100–250	0.001	– ✓ Cross-checked	Harvey Tool
Austenitic: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9	general	1/2"	100–250	0.0015	– ✓ Cross-checked	Harvey Tool
Austenitic: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9	general	5/8"	100–250	0.002	– ✓ Cross-checked	Harvey Tool
Austenitic: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9	general	3/4"	100–250	0.003	– ✓ Cross-checked	Harvey Tool
Austenitic: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9	general	1"	100–250	0.004	– ✓ Cross-checked	Harvey Tool
Austenitic: 200 Series, 302, 303, 304L, 316L	general	1/8"	100–350	0.0001	⚠ Very low IPT at small diameters (.0001-.0002) as published; risk of rubbing/work hardening. Confirm. Spot-checked 2026-10-16: 0.0001 IPT confirmed as published. Caution: austenitic stainless work-hardens; keep the tool cutting and avoid dwelling or rubbing. ⚠ Outlier: IPT 0.0001 vs median 0.0004625 of 4 other source(s) (-78%); SFM 225 vs median 272.5 of 8 other source(s) (-17%)	Harvey Tool
Austenitic: 200 Series, 302, 303, 304L, 316L	general	3/16"	100–350	0.0002	⚠ Very low IPT at small diameters (.0001-.0002) as published; risk of rubbing/work hardening. Confirm. ⚠ Outlier: IPT 0.0002 vs median 0.001 of 3 other source(s) (-80%); SFM 225 vs median 272.5 of 8 other source(s) (-17%)	Harvey Tool
Austenitic: 200 Series, 302, 303, 304L, 316L	general	1/4"	100–350	0.0005	– ✓ Cross-checked	Harvey Tool
Austenitic: 200 Series, 302, 303, 304L, 316L	general	3/8"	100–350	0.001	– ✓ Cross-checked	Harvey Tool
Austenitic: 200 Series, 302, 303, 304L, 316L	general	1/2"	100–350	0.0015	– ✓ Cross-checked	Harvey Tool
Austenitic: 200 Series, 302, 303, 304L, 316L	general	5/8"	100–350	0.002	– ✓ Cross-checked	Harvey Tool
Austenitic: 200 Series, 302, 303, 304L, 316L	general	3/4"	100–350	0.003	– ✓ Cross-checked	Harvey Tool
Austenitic: 200 Series, 302, 303, 304L, 316L	general	1"	100–350	0.004	– ✓ Cross-checked	Harvey Tool
Precipitation hardening: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo	general	1/8"	90–250	0.0005	– ✓ Cross-checked	Harvey Tool
Precipitation hardening: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo	general	3/16"	90–250	0.0005	– ✓ Cross-checked	Harvey Tool
Precipitation hardening: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo	general	1/4"	90–250	0.001	– ✓ Cross-checked	Harvey Tool
Precipitation hardening: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo	general	3/8"	90–250	0.001	– ✓ Cross-checked	Harvey Tool
Precipitation hardening: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo	general	1/2"	90–250	0.002	– ✓ Cross-checked	Harvey Tool
Precipitation hardening: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo	general	5/8"	90–250	0.002	– ✓ Cross-checked	Harvey Tool
Precipitation hardening: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo	general	3/4"	90–250	0.004	– ✓ Cross-checked	Harvey Tool
Precipitation hardening: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo	general	1"	90–250	0.006	– ✓ Cross-checked	Harvey Tool
Martensitic: 403, 410, 416	general	1/8"	100–250	0.0001	⚠ Very low IPT at small diameters as published; confirm. ⚠ Outlier: IPT 0.0001 vs median 0.0004625 of 4 other source(s) (-78%); SFM 175 vs median 272.5 of 8 other source(s) (-36%)	Harvey Tool
Martensitic: 403, 410, 416	general	3/16"	100–250	0.0002	⚠ Very low IPT at small diameters as published; confirm. ⚠ Outlier: IPT 0.0002 vs median 0.001 of 3 other source(s) (-80%); SFM 175 vs median 272.5 of 8 other source(s) (-36%)	Harvey Tool
Martensitic: 403, 410, 416	general	1/4"	100–250	0.0005	– ✓ Cross-checked	Harvey Tool
Martensitic: 403, 410, 416	general	3/8"	100–250	0.0005	– ⚠ Outlier: IPT 0.0005 vs median 0.001675 of 8 other source(s) (-70%); SFM 175 vs median 272.5 of 8 other source(s) (-36%)	Harvey Tool
Martensitic: 403, 410, 416	general	1/2"	100–250	0.001	– ✓ Cross-checked	Harvey Tool
Martensitic: 403, 410, 416	general	5/8"	100–250	0.001	– ⚠ Outlier: IPT 0.001 vs median 0.002975 of 6 other source(s) (-66%); SFM 175 vs median 272.5 of 8 other source(s) (-36%)	Harvey Tool
Martensitic: 403, 410, 416	general	3/4"	100–250	0.003	– ✓ Cross-checked	Harvey Tool
Martensitic: 403, 410, 416	general	1"	100–250	0.004	– ✓ Cross-checked	Harvey Tool

Helical Solutions (Harvey Performance): Speeds & Feeds HSV-4 / HSV-RN-4 / HSM-4 (4 flute, variable pitch)

Tool: 4-flute variable-pitch carbide end mill (HSV-4). Facts sourced with attribution and link; PDF not re-hosted. IPT is for 2.5xD LOC, non-reached tools.

Grade (as listed)	Cut	Dia	SFM	IPT (in)	Note	Source
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	slotting	1/16"	265	0.0002	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	roughing	1/16"	265	0.0004	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	finishing	1/16"	265	0.0007	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	slotting	3/32"	265	0.0003	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	roughing	3/32"	265	0.0006	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	finishing	3/32"	265	0.001	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	slotting	1/8"	265	0.0004	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	roughing	1/8"	265	0.0008	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	finishing	1/8"	265	0.0013	– ⚠ Outlier: IPT 0.0013 vs median 0.00035 of 4 other source(s) (+271%); SFM 265 vs median 272.5 of 8 other source(s) (-3%)	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	slotting	3/16"	265	0.0006	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	roughing	3/16"	265	0.0011	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	finishing	3/16"	265	0.0015	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	slotting	1/4"	265	0.0009	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	roughing	1/4"	265	0.0015	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	finishing	1/4"	265	0.0017	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	slotting	3/8"	265	0.0013	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	roughing	3/8"	265	0.0022	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	finishing	3/8"	265	0.0019	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	slotting	1/2"	265	0.0017	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	roughing	1/2"	265	0.0029	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	finishing	1/2"	265	0.0022	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	slotting	3/4"	265	0.0024	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	roughing	3/4"	265	0.0042	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	finishing	3/4"	265	0.0026	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	slotting	1"	265	0.003	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	roughing	1"	265	0.0053	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (75 - 98 HRB)	finishing	1"	265	0.0032	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	slotting	1/16"	225	0.0002	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	roughing	1/16"	225	0.0004	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	finishing	1/16"	225	0.0006	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	slotting	3/32"	225	0.0003	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	roughing	3/32"	225	0.0005	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	finishing	3/32"	225	0.0009	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	slotting	1/8"	225	0.0004	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	roughing	1/8"	225	0.0007	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	finishing	1/8"	225	0.0012	– ⚠ Outlier: IPT 0.0012 vs median 0.00035 of 4 other source(s) (+243%); SFM 225 vs median 272.5 of 8 other source(s) (-17%)	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	slotting	3/16"	225	0.0006	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	roughing	3/16"	225	0.001	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	finishing	3/16"	225	0.0014	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	slotting	1/4"	225	0.0008	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	roughing	1/4"	225	0.0014	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	finishing	1/4"	225	0.0016	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	slotting	3/8"	225	0.0011	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	roughing	3/8"	225	0.002	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	finishing	3/8"	225	0.0018	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	slotting	1/2"	225	0.0015	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	roughing	1/2"	225	0.0026	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	finishing	1/2"	225	0.0021	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	slotting	3/4"	225	0.0021	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	roughing	3/4"	225	0.0038	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	finishing	3/4"	225	0.0025	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	slotting	1"	225	0.0027	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	roughing	1"	225	0.0048	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (21 - 36 HRC)	finishing	1"	225	0.003	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	slotting	1/16"	180	0.0002	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	roughing	1/16"	180	0.0003	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	finishing	1/16"	180	0.0006	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	slotting	3/32"	180	0.0002	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	roughing	3/32"	180	0.0005	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	finishing	3/32"	180	0.0008	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	slotting	1/8"	180	0.0003	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	roughing	1/8"	180	0.0006	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	finishing	1/8"	180	0.0011	– ⚠ Outlier: IPT 0.0011 vs median 0.00035 of 4 other source(s) (+214%); SFM 180 vs median 272.5 of 8 other source(s) (-34%)	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	slotting	3/16"	180	0.0005	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	roughing	3/16"	180	0.0008	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	finishing	3/16"	180	0.0012	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	slotting	1/4"	180	0.0006	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	roughing	1/4"	180	0.0011	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	finishing	1/4"	180	0.0014	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	slotting	3/8"	180	0.0009	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	roughing	3/8"	180	0.0016	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	finishing	3/8"	180	0.0016	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	slotting	1/2"	180	0.0012	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	roughing	1/2"	180	0.0021	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	finishing	1/2"	180	0.0019	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	slotting	3/4"	180	0.0017	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	roughing	3/4"	180	0.003	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	finishing	3/4"	180	0.0023	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	slotting	1"	180	0.0022	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	roughing	1"	180	0.0038	– ✓ Cross-checked	Helical Solutions
Austenitic: Nitronic 50/60, 301, 303, 304, 304L, Incoloy 27-7MO, 316, 316L, 321, 347 (36 - 50 HRC)	finishing	1"	180	0.0027	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	slotting	1/16"	300	0.0003	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	roughing	1/16"	300	0.0004	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	finishing	1/16"	300	0.0007	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	slotting	3/32"	300	0.0004	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	roughing	3/32"	300	0.0006	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	finishing	3/32"	300	0.001	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	slotting	1/8"	300	0.0005	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	roughing	1/8"	300	0.0008	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	finishing	1/8"	300	0.0013	– ⚠ Outlier: IPT 0.0013 vs median 0.00035 of 4 other source(s) (+271%); SFM 300 vs median 272.5 of 8 other source(s) (+10%)	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	slotting	3/16"	300	0.0007	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	roughing	3/16"	300	0.0011	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	finishing	3/16"	300	0.0015	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	slotting	1/4"	300	0.0009	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	roughing	1/4"	300	0.0016	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	finishing	1/4"	300	0.0017	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	slotting	3/8"	300	0.0013	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	roughing	3/8"	300	0.0023	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	finishing	3/8"	300	0.0019	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	slotting	1/2"	300	0.0017	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	roughing	1/2"	300	0.003	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	finishing	1/2"	300	0.0023	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	slotting	3/4"	300	0.0024	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	roughing	3/4"	300	0.0043	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	finishing	3/4"	300	0.0027	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	slotting	1"	300	0.0031	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	roughing	1"	300	0.0055	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (75 - 98 HRB)	finishing	1"	300	0.0033	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	slotting	1/16"	280	0.0002	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	roughing	1/16"	280	0.0004	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	finishing	1/16"	280	0.0006	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	slotting	3/32"	280	0.0003	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	roughing	3/32"	280	0.0005	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	finishing	3/32"	280	0.0009	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	slotting	1/8"	280	0.0004	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	roughing	1/8"	280	0.0007	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	finishing	1/8"	280	0.0012	– ⚠ Outlier: IPT 0.0012 vs median 0.00035 of 4 other source(s) (+243%); SFM 280 vs median 272.5 of 8 other source(s) (+3%)	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	slotting	3/16"	280	0.0006	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	roughing	3/16"	280	0.001	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	finishing	3/16"	280	0.0014	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	slotting	1/4"	280	0.0008	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	roughing	1/4"	280	0.0013	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	finishing	1/4"	280	0.0016	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	slotting	3/8"	280	0.0011	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	roughing	3/8"	280	0.002	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	finishing	3/8"	280	0.0018	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	slotting	1/2"	280	0.0015	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	roughing	1/2"	280	0.0026	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	finishing	1/2"	280	0.0021	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	slotting	3/4"	280	0.0021	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	roughing	3/4"	280	0.0037	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	finishing	3/4"	280	0.0025	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	slotting	1"	280	0.0027	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	roughing	1"	280	0.0047	– ✓ Cross-checked	Helical Solutions
Martensitic & ferritic: 403, 410, 416, 420, 440, 430, 446 (21 - 36 HRC)	finishing	1"	280	0.003	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	slotting	1/16"	200	0.0002	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	roughing	1/16"	200	0.0003	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	finishing	1/16"	200	0.0006	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	slotting	3/32"	200	0.0002	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	roughing	3/32"	200	0.0005	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	finishing	3/32"	200	0.0008	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	slotting	1/8"	200	0.0003	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	roughing	1/8"	200	0.0006	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	finishing	1/8"	200	0.0011	– ⚠ Outlier: IPT 0.0011 vs median 0.00035 of 4 other source(s) (+214%); SFM 200 vs median 272.5 of 8 other source(s) (-27%)	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	slotting	3/16"	200	0.0005	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	roughing	3/16"	200	0.0008	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	finishing	3/16"	200	0.0012	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	slotting	1/4"	200	0.0006	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	roughing	1/4"	200	0.0011	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	finishing	1/4"	200	0.0014	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	slotting	3/8"	200	0.001	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	roughing	3/8"	200	0.0017	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	finishing	3/8"	200	0.0016	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	slotting	1/2"	200	0.0012	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	roughing	1/2"	200	0.0022	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	finishing	1/2"	200	0.0019	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	slotting	3/4"	200	0.0018	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	roughing	3/4"	200	0.0031	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	finishing	3/4"	200	0.0023	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	slotting	1"	200	0.0023	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	roughing	1"	200	0.004	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (21 - 36 HRC)	finishing	1"	200	0.0028	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	slotting	1/16"	145	0.0002	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	roughing	1/16"	145	0.0003	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	finishing	1/16"	145	0.0006	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	slotting	3/32"	145	0.0002	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	roughing	3/32"	145	0.0004	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	finishing	3/32"	145	0.0008	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	slotting	1/8"	145	0.0003	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	roughing	1/8"	145	0.0005	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	finishing	1/8"	145	0.0011	– ⚠ Outlier: IPT 0.0011 vs median 0.00035 of 4 other source(s) (+214%); SFM 145 vs median 272.5 of 8 other source(s) (-47%)	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	slotting	3/16"	145	0.0004	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	roughing	3/16"	145	0.0007	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	finishing	3/16"	145	0.0012	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	slotting	1/4"	145	0.0006	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	roughing	1/4"	145	0.001	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	finishing	1/4"	145	0.0014	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	slotting	3/8"	145	0.0008	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	roughing	3/8"	145	0.0014	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	finishing	3/8"	145	0.0015	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	slotting	1/2"	145	0.0011	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	roughing	1/2"	145	0.0019	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	finishing	1/2"	145	0.0018	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	slotting	3/4"	145	0.0016	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	roughing	3/4"	145	0.0027	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	finishing	3/4"	145	0.0021	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	slotting	1"	145	0.002	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	roughing	1"	145	0.0035	– ✓ Cross-checked	Helical Solutions
PH: 15-5, 17-4, Carpenter 450, Carpenter 465 (36 - 50 HRC)	finishing	1"	145	0.0026	– ✓ Cross-checked	Helical Solutions

Lakeshore Carbide: General Purpose End Mill Technical Data / Speeds & Feeds

Tool: General purpose solid carbide end mill (stub/regular/corner radius column). Facts sourced with attribution and link; PDF not re-hosted. Lakeshore: "approximate numbers are a good starting point."

Grade (as listed)	Cut	Dia	SFM	IPT (in)	Note	Source
Stainless steel, soft	general	1/32–1/8"	250–350	0.0005–0.0008	– ✓ Cross-checked	Lakeshore Carbide
Stainless steel, soft	general	1/8–1/4"	250–350	0.0006–0.001	– ✓ Cross-checked	Lakeshore Carbide
Stainless steel, soft	general	1/4–3/8"	250–350	0.0008–0.0015	– ✓ Cross-checked	Lakeshore Carbide
Stainless steel, soft	general	3/8–1/2"	250–350	0.001–0.002	– ✓ Cross-checked	Lakeshore Carbide
Stainless steel, soft	general	1/2–3/4"	250–350	0.0018–0.004	– ✓ Cross-checked	Lakeshore Carbide
Stainless steel, soft	general	3/4–1"	250–350	0.0025–0.0055	– ✓ Cross-checked	Lakeshore Carbide
Stainless steel, hard	general	1/32–1/8"	200–300	0.0003–0.0005	– ✓ Cross-checked	Lakeshore Carbide
Stainless steel, hard	general	1/8–1/4"	200–300	0.0004–0.0007	– ✓ Cross-checked	Lakeshore Carbide
Stainless steel, hard	general	1/4–3/8"	200–300	0.0006–0.0012	– ✓ Cross-checked	Lakeshore Carbide
Stainless steel, hard	general	3/8–1/2"	200–300	0.0008–0.0017	– ✓ Cross-checked	Lakeshore Carbide
Stainless steel, hard	general	1/2–3/4"	200–300	0.0014–0.0035	– ✓ Cross-checked	Lakeshore Carbide
Stainless steel, hard	general	3/4–1"	200–300	0.002–0.005	– ✓ Cross-checked	Lakeshore Carbide

Lakeshore Carbide: VFSS 5-flute stub: starting recommended speeds & feeds

Tool: 5-flute variable-flute carbide end mill for stainless (VFSS). Facts sourced with attribution and link; PDF not re-hosted.

Grade (as listed)	Cut	Dia	SFM	IPT (in)	Note	Source
300 series (304, 310, 316)	profiling (side milling)	1/4"	300	0.001	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	profiling (side milling)	1/4"	250	0.001	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	profiling (side milling)	1/4"	250	0.001	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	slotting	1/4"	240	0.0008	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	slotting	1/4"	200	0.0008	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	slotting	1/4"	200	0.0008	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	profiling (side milling)	5/16"	300	0.0015	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	profiling (side milling)	5/16"	250	0.0015	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	profiling (side milling)	5/16"	250	0.0014	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	slotting	5/16"	240	0.0012	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	slotting	5/16"	200	0.0012	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	slotting	5/16"	200	0.0011	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	profiling (side milling)	3/8"	300	0.002	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	profiling (side milling)	3/8"	250	0.002	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	profiling (side milling)	3/8"	250	0.0019	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	slotting	3/8"	240	0.0016	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	slotting	3/8"	200	0.0016	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	slotting	3/8"	200	0.0015	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	profiling (side milling)	1/2"	300	0.0025	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	profiling (side milling)	1/2"	250	0.0025	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	profiling (side milling)	1/2"	250	0.0022	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	slotting	1/2"	240	0.002	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	slotting	1/2"	200	0.002	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	slotting	1/2"	200	0.0018	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	profiling (side milling)	5/8"	300	0.003	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	profiling (side milling)	5/8"	250	0.003	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	profiling (side milling)	5/8"	250	0.0027	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	slotting	5/8"	240	0.0025	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	slotting	5/8"	200	0.0025	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	slotting	5/8"	200	0.0022	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	profiling (side milling)	3/4"	300	0.0035	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	profiling (side milling)	3/4"	250	0.0035	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	profiling (side milling)	3/4"	250	0.003	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	slotting	3/4"	240	0.0028	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	slotting	3/4"	200	0.0028	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	slotting	3/4"	200	0.0024	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	profiling (side milling)	1"	300	0.0042	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	profiling (side milling)	1"	250	0.0042	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	profiling (side milling)	1"	250	0.004	⚠ Profile: radial 0.5×D, axial 1×D (as printed). ✓ Cross-checked	Lakeshore Carbide
300 series (304, 310, 316)	slotting	1"	240	0.0034	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
400 series (409, 430, 436)	slotting	1"	200	0.0034	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide
15-5, 17-4PH	slotting	1"	200	0.0032	⚠ Slotting: axial 0.5×D (as printed). ✓ Cross-checked	Lakeshore Carbide

OSG: Standard 2 Flute HSS-Co end mills: tech page (slotting)

Tool: 2-flute HSS-Co (cobalt high-speed steel) end mill, uncoated (OSG notes TiN/TiCN versions allow up to 15-20% more speed). Facts sourced with attribution and link; PDF not re-hosted.

Grade (as listed)	Cut	Dia	SFM	IPT (in)	Note	Source
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1/64"	80–150	2e-05	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1/64"	16–32	1e-05	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1/32"	80–150	4e-05	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1/32"	16–32	3e-05	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	3/64"	80–150	9e-05	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	3/64"	16–32	6e-05	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1/16"	80–150	0.00012	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00012 vs median 0.0001 of 1 other source(s) (+20%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1/16"	16–32	8e-05	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	5/64"	80–150	0.00017	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00017 vs median 0.00014 of 1 other source(s) (+21%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	5/64"	16–32	0.00011	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	3/32"	80–150	0.00024	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00024 vs median 0.0002 of 1 other source(s) (+20%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	3/32"	16–32	0.00016	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	7/64"	80–150	0.00028	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00028 vs median 0.00024 of 1 other source(s) (+17%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	7/64"	16–32	0.0002	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1/8"	80–150	0.00034	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00034 vs median 0.00029 of 1 other source(s) (+17%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1/8"	16–32	0.00024	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	9/64"	80–150	0.0004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.0004 vs median 0.00034 of 1 other source(s) (+18%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	9/64"	16–32	0.00028	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	5/32"	80–150	0.00048	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00048 vs median 0.00041 of 1 other source(s) (+17%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	5/32"	16–32	0.00034	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	11/64"	80–150	0.00056	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00056 vs median 0.00048 of 1 other source(s) (+17%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	11/64"	16–32	0.0004	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	3/16"	80–150	0.00067	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00067 vs median 0.000575 of 1 other source(s) (+17%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	3/16"	16–32	0.00048	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1/4"	80–150	0.00095	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00095 vs median 0.00083 of 1 other source(s) (+14%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1/4"	16–32	0.00071	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	5/16"	80–150	0.00132	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00132 vs median 0.00116 of 1 other source(s) (+14%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	5/16"	16–32	0.001	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	3/8"	80–150	0.0016	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.0016 vs median 0.00139 of 1 other source(s) (+15%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	3/8"	16–32	0.00118	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	7/16"	80–150	0.00212	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00212 vs median 0.00176 of 1 other source(s) (+20%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	7/16"	16–32	0.0014	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1/2"	80–150	0.00236	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00236 vs median 0.00208 of 1 other source(s) (+13%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1/2"	16–32	0.0018	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	9/16"	80–150	0.0028	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.0028 vs median 0.0024 of 1 other source(s) (+17%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	9/16"	16–32	0.002	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	5/8"	80–150	0.00315	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00315 vs median 0.002695 of 1 other source(s) (+17%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	5/8"	16–32	0.00224	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	11/16"	80–150	0.00355	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00355 vs median 0.003025 of 1 other source(s) (+17%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	11/16"	16–32	0.0025	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	3/4"	80–150	0.00355	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.00355 vs median 0.003025 of 1 other source(s) (+17%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	3/4"	16–32	0.0025	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	13/16"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.0034 of 1 other source(s) (+18%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	13/16"	16–32	0.0028	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	7/8"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.003575 of 1 other source(s) (+12%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	7/8"	16–32	0.00315	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	15/16"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.003775 of 1 other source(s) (+6%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	15/16"	16–32	0.00355	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.003775 of 1 other source(s) (+6%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1"	16–32	0.00355	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1 1/8"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1 1/8"	16–32	0.004	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1 1/4"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1 1/4"	16–32	0.004	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1 3/8"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1 3/8"	16–32	0.004	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1 1/2"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1 1/2"	16–32	0.004	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1 5/8"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1 5/8"	16–32	0.004	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1 3/4"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1 3/4"	16–32	0.004	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	1 7/8"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	1 7/8"	16–32	0.004	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	slotting	2"	80–150	0.004	⚠ OSG prints 80-150 SFM for this 30-40 HRC column (same as mild steel); verify against the PDF before relying on it. Slotting, axial depth 0.5×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 115 vs median 32 of 1 other source(s) (+259%)	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	slotting	2"	16–32	0.004	Slotting, axial depth 0.5×D (as printed). ✓ Cross-checked	OSG

OSG: Standard 4 Flute and 6 Flute HSS-Co end mills: tech page (side milling)

Tool: 4-flute HSS-Co (cobalt high-speed steel) end mill. Facts sourced with attribution and link; PDF not re-hosted.

Grade (as listed)	Cut	Dia	SFM	IPT (in)	Note	Source
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	1/16"	30–50	0.00012	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	1/16"	16–32	8e-05	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 8e-05 vs median 0.0001 of 1 other source(s) (-20%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	5/64"	30–50	0.00017	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	5/64"	16–32	0.00011	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00011 vs median 0.00014 of 1 other source(s) (-21%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	3/32"	30–50	0.00024	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	3/32"	16–32	0.00016	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00016 vs median 0.0002 of 1 other source(s) (-20%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	7/64"	30–50	0.00028	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	7/64"	16–32	0.0002	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.0002 vs median 0.00024 of 1 other source(s) (-17%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	1/8"	30–50	0.00034	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	1/8"	16–32	0.00024	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00024 vs median 0.00029 of 1 other source(s) (-17%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	9/64"	30–50	0.0004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	9/64"	16–32	0.00028	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00028 vs median 0.00034 of 1 other source(s) (-18%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	5/32"	30–50	0.00048	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	5/32"	16–32	0.00034	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00034 vs median 0.00041 of 1 other source(s) (-17%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	11/64"	30–50	0.00056	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	11/64"	16–32	0.0004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.0004 vs median 0.00048 of 1 other source(s) (-17%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	3/16"	30–50	0.00067	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	3/16"	16–32	0.00048	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00048 vs median 0.000575 of 1 other source(s) (-17%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	1/4"	30–50	0.00095	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	1/4"	16–32	0.00071	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00071 vs median 0.00083 of 1 other source(s) (-14%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	5/16"	30–50	0.00132	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	5/16"	16–32	0.001	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.001 vs median 0.00116 of 1 other source(s) (-14%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	3/8"	30–50	0.0016	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	3/8"	16–32	0.00118	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00118 vs median 0.00139 of 1 other source(s) (-15%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	7/16"	30–50	0.00212	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	7/16"	16–32	0.0014	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.0014 vs median 0.00176 of 1 other source(s) (-20%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	1/2"	30–50	0.00236	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	1/2"	16–32	0.0018	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.0018 vs median 0.00208 of 1 other source(s) (-13%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	9/16"	30–50	0.0028	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	9/16"	16–32	0.002	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.002 vs median 0.0024 of 1 other source(s) (-17%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	5/8"	30–50	0.00315	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	5/8"	16–32	0.00224	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00224 vs median 0.002695 of 1 other source(s) (-17%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	11/16"	30–50	0.00355	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	11/16"	16–32	0.0025	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.0025 vs median 0.003025 of 1 other source(s) (-17%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	3/4"	30–50	0.00355	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	3/4"	16–32	0.0025	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.0025 vs median 0.003025 of 1 other source(s) (-17%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	13/16"	30–50	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	13/16"	16–32	0.0028	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.0028 vs median 0.0034 of 1 other source(s) (-18%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	7/8"	30–50	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	7/8"	16–32	0.00315	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00315 vs median 0.003575 of 1 other source(s) (-12%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	15/16"	30–50	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	15/16"	16–32	0.00355	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00355 vs median 0.003775 of 1 other source(s) (-6%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	1"	30–50	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	1"	16–32	0.00355	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.00355 vs median 0.003775 of 1 other source(s) (-6%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	1 1/8"	30–50	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	1 1/8"	16–32	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	1 1/4"	30–50	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	1 1/4"	16–32	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	1 3/8"	30–50	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	1 3/8"	16–32	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	1 1/2"	30–50	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	1 1/2"	16–32	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	1 3/4"	30–50	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	1 3/4"	16–32	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG
Medium strength stainless steels and titanium alloys (30-40 HRC)	profiling (side milling)	2"	30–50	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ✓ Cross-checked	OSG
High strength stainless steels and titanium alloys (40-50 HRC)	profiling (side milling)	2"	16–32	0.004	Side milling, axial 1.5×D, radial 0.1×D (as printed). ⚠ Outlier: IPT 0.004 vs median 0.004 of 1 other source(s) (+0%); SFM 24 vs median 69.5 of 1 other source(s) (-65%)	OSG

Accupro (MSC Industrial): General Purpose End Mills Recommended Speed and Feed (under and over 32 HRC)

Tool: General purpose carbide end mill, coated (Accupro: reduce rates up to 50% for uncoated). Facts sourced with attribution and link; PDF not re-hosted.

Grade (as listed)	Cut	Dia	SFM	IPT (in)	Note	Source
Austenitic stainless: 200 series, 302, 303, 304L, 316L (<32 HRC)	general	1/8"	100–220	0.0004	– ✓ Cross-checked	Accupro
Austenitic stainless: 200 series, 302, 303, 304L, 316L (<32 HRC)	general	3/16"	100–220	0.0007	– ✓ Cross-checked	Accupro
Austenitic stainless: 200 series, 302, 303, 304L, 316L (<32 HRC)	general	1/4"	100–220	0.0011	– ✓ Cross-checked	Accupro
Austenitic stainless: 200 series, 302, 303, 304L, 316L (<32 HRC)	general	3/8"	100–220	0.0018	– ✓ Cross-checked	Accupro
Austenitic stainless: 200 series, 302, 303, 304L, 316L (<32 HRC)	general	1/2"	100–220	0.0025	– ✓ Cross-checked	Accupro
Austenitic stainless: 200 series, 302, 303, 304L, 316L (<32 HRC)	general	5/8"	100–220	0.0031	– ✓ Cross-checked	Accupro
Austenitic stainless: 200 series, 302, 303, 304L, 316L (<32 HRC)	general	3/4"	100–220	0.0037	– ✓ Cross-checked	Accupro
Austenitic stainless: 200 series, 302, 303, 304L, 316L (<32 HRC)	general	1"	100–220	0.005	– ✓ Cross-checked	Accupro
Martensitic stainless: 403, 410, 416 (<32 HRC)	general	1/8"	100–220	0.0004	– ✓ Cross-checked	Accupro
Martensitic stainless: 403, 410, 416 (<32 HRC)	general	3/16"	100–220	0.0007	– ✓ Cross-checked	Accupro
Martensitic stainless: 403, 410, 416 (<32 HRC)	general	1/4"	100–220	0.0011	– ✓ Cross-checked	Accupro
Martensitic stainless: 403, 410, 416 (<32 HRC)	general	3/8"	100–220	0.0018	– ✓ Cross-checked	Accupro
Martensitic stainless: 403, 410, 416 (<32 HRC)	general	1/2"	100–220	0.0025	– ✓ Cross-checked	Accupro
Martensitic stainless: 403, 410, 416 (<32 HRC)	general	5/8"	100–220	0.0031	– ✓ Cross-checked	Accupro
Martensitic stainless: 403, 410, 416 (<32 HRC)	general	3/4"	100–220	0.0037	– ✓ Cross-checked	Accupro
Martensitic stainless: 403, 410, 416 (<32 HRC)	general	1"	100–220	0.005	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 13/8, 15/5, AM-350/355 (<32 HRC)	general	1/8"	150–250	0.0005	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 13/8, 15/5, AM-350/355 (<32 HRC)	general	3/16"	150–250	0.0009	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 13/8, 15/5, AM-350/355 (<32 HRC)	general	1/4"	150–250	0.0014	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 13/8, 15/5, AM-350/355 (<32 HRC)	general	3/8"	150–250	0.0021	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 13/8, 15/5, AM-350/355 (<32 HRC)	general	1/2"	150–250	0.003	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 13/8, 15/5, AM-350/355 (<32 HRC)	general	5/8"	150–250	0.0037	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 13/8, 15/5, AM-350/355 (<32 HRC)	general	3/4"	150–250	0.0045	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 13/8, 15/5, AM-350/355 (<32 HRC)	general	1"	150–250	0.006	– ✓ Cross-checked	Accupro
Austenitic stainless: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9 (>32 HRC)	general	1/8"	50–150	0.0004	– ⚠ Outlier: IPT 0.0004 vs median 0.0004125 of 4 other source(s) (-3%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Austenitic stainless: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9 (>32 HRC)	general	3/16"	50–150	0.0007	– ⚠ Outlier: IPT 0.0007 vs median 0.001 of 3 other source(s) (-30%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Austenitic stainless: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9 (>32 HRC)	general	1/4"	50–150	0.0011	– ⚠ Outlier: IPT 0.0011 vs median 0.001025 of 8 other source(s) (+7%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Austenitic stainless: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9 (>32 HRC)	general	3/8"	50–150	0.0018	– ⚠ Outlier: IPT 0.0018 vs median 0.00155 of 8 other source(s) (+16%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Austenitic stainless: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9 (>32 HRC)	general	1/2"	50–150	0.0025	– ⚠ Outlier: IPT 0.0025 vs median 0.001875 of 8 other source(s) (+33%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Austenitic stainless: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9 (>32 HRC)	general	5/8"	50–150	0.0031	– ⚠ Outlier: IPT 0.0031 vs median 0.002725 of 6 other source(s) (+14%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Austenitic stainless: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9 (>32 HRC)	general	3/4"	50–150	0.0037	– ⚠ Outlier: IPT 0.0037 vs median 0.002875 of 8 other source(s) (+29%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Austenitic stainless: 304, 310, 314, 316, 321, 330, 347, 348, 21-6-9 (>32 HRC)	general	1"	50–150	0.005	– ⚠ Outlier: IPT 0.005 vs median 0.003725 of 8 other source(s) (+34%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Martensitic stainless: 420, 430F, 440C, 446 (>32 HRC)	general	1/8"	50–150	0.0004	– ⚠ Outlier: IPT 0.0004 vs median 0.0004125 of 4 other source(s) (-3%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Martensitic stainless: 420, 430F, 440C, 446 (>32 HRC)	general	3/16"	50–150	0.0007	– ⚠ Outlier: IPT 0.0007 vs median 0.001 of 3 other source(s) (-30%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Martensitic stainless: 420, 430F, 440C, 446 (>32 HRC)	general	1/4"	50–150	0.0011	– ⚠ Outlier: IPT 0.0011 vs median 0.001025 of 8 other source(s) (+7%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Martensitic stainless: 420, 430F, 440C, 446 (>32 HRC)	general	3/8"	50–150	0.0018	– ⚠ Outlier: IPT 0.0018 vs median 0.00155 of 8 other source(s) (+16%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Martensitic stainless: 420, 430F, 440C, 446 (>32 HRC)	general	1/2"	50–150	0.0025	– ⚠ Outlier: IPT 0.0025 vs median 0.001875 of 8 other source(s) (+33%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Martensitic stainless: 420, 430F, 440C, 446 (>32 HRC)	general	5/8"	50–150	0.0031	– ⚠ Outlier: IPT 0.0031 vs median 0.002725 of 6 other source(s) (+14%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Martensitic stainless: 420, 430F, 440C, 446 (>32 HRC)	general	3/4"	50–150	0.0037	– ⚠ Outlier: IPT 0.0037 vs median 0.002875 of 8 other source(s) (+29%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Martensitic stainless: 420, 430F, 440C, 446 (>32 HRC)	general	1"	50–150	0.005	– ⚠ Outlier: IPT 0.005 vs median 0.003725 of 8 other source(s) (+34%); SFM 100 vs median 272.5 of 8 other source(s) (-63%)	Accupro
Precipitation-hardening stainless: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo (>32 HRC)	general	1/8"	90–150	0.0005	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo (>32 HRC)	general	3/16"	90–150	0.0009	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo (>32 HRC)	general	1/4"	90–150	0.0014	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo (>32 HRC)	general	3/8"	90–150	0.0021	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo (>32 HRC)	general	1/2"	90–150	0.003	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo (>32 HRC)	general	5/8"	90–150	0.0037	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo (>32 HRC)	general	3/4"	90–150	0.0045	– ✓ Cross-checked	Accupro
Precipitation-hardening stainless: 17/4, 17/7, AF-71, Custom 450/636, 15/7 Mo (>32 HRC)	general	1"	90–150	0.006	– ✓ Cross-checked	Accupro

Lakeshore Carbide: Carbide Roughers (variable helix): starting speeds and feeds

Tool: Variable-helix carbide rougher (3 flutes at 3/16", 4 flutes 1/4" and up). Facts sourced with attribution and link; PDF not re-hosted.

Grade (as listed)	Cut	Dia	SFM	IPT (in)	Note	Source
Stainless steel	roughing	3/16"	225–475	0.0008–0.0015	⚠ SFM header is printed slightly out of line with the columns in the PDF; check the column order before relying on titanium/stainless SFM. Strong coolant blast recommended (as printed). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	roughing	1/4"	225–475	0.0008–0.0015	⚠ SFM header is printed slightly out of line with the columns in the PDF; check the column order before relying on titanium/stainless SFM. Strong coolant blast recommended (as printed). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	roughing	5/16"	225–475	0.001–0.002	⚠ SFM header is printed slightly out of line with the columns in the PDF; check the column order before relying on titanium/stainless SFM. Strong coolant blast recommended (as printed). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	roughing	3/8"	225–475	0.001–0.002	⚠ SFM header is printed slightly out of line with the columns in the PDF; check the column order before relying on titanium/stainless SFM. Strong coolant blast recommended (as printed). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	roughing	1/2"	225–475	0.0012–0.0025	⚠ SFM header is printed slightly out of line with the columns in the PDF; check the column order before relying on titanium/stainless SFM. Strong coolant blast recommended (as printed). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	roughing	5/8"	225–475	0.002–0.0037	⚠ SFM header is printed slightly out of line with the columns in the PDF; check the column order before relying on titanium/stainless SFM. Strong coolant blast recommended (as printed). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	roughing	3/4"	225–475	0.002–0.0037	⚠ SFM header is printed slightly out of line with the columns in the PDF; check the column order before relying on titanium/stainless SFM. Strong coolant blast recommended (as printed). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	roughing	1"	225–475	0.0025–0.0042	⚠ SFM header is printed slightly out of line with the columns in the PDF; check the column order before relying on titanium/stainless SFM. Strong coolant blast recommended (as printed). ✓ Cross-checked	Lakeshore Carbide

Lakeshore Carbide: Six Flute high-performance profiling mill (AlTiN coated)

Tool: 6-flute AlTiN-coated carbide profiling end mill. Facts sourced with attribution and link; PDF not re-hosted.

Grade (as listed)	Cut	Dia	SFM	IPT (in)	Note	Source
Stainless steel	profiling (side milling)	1/4"	90–450	0.002	Use 5-30% radial depth of cut (Lakeshore tech note). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	profiling (side milling)	3/8"	90–450	0.002	Use 5-30% radial depth of cut (Lakeshore tech note). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	profiling (side milling)	1/2"	90–450	0.0025–0.003	Use 5-30% radial depth of cut (Lakeshore tech note). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	profiling (side milling)	5/8"	90–450	0.003–0.004	Use 5-30% radial depth of cut (Lakeshore tech note). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	profiling (side milling)	3/4"	90–450	0.004–0.005	Use 5-30% radial depth of cut (Lakeshore tech note). ✓ Cross-checked	Lakeshore Carbide
Stainless steel	profiling (side milling)	1"	90–450	0.005–0.006	Use 5-30% radial depth of cut (Lakeshore tech note). ✓ Cross-checked	Lakeshore Carbide

SGS / Kyocera SGS Precision Tools: Series Z5, Z5CR fractional speed & feed recommendations

Tool: Z-Carb Z5: 5-flute variable-helix carbide end mill (coated). Facts sourced with attribution and link; PDF not re-hosted.

Grade (as listed)	Cut	Dia	SFM	IPT (in)	Note	Source
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	profiling (side milling)	1/8"	392–588	0.0004	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 490 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	profiling (side milling)	1/4"	392–588	0.0009	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 490 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	profiling (side milling)	3/8"	392–588	0.0017	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 490 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	profiling (side milling)	1/2"	392–588	0.0023	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 490 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	profiling (side milling)	5/8"	392–588	0.0026	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 490 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	profiling (side milling)	3/4"	392–588	0.0028	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 490 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	profiling (side milling)	1"	392–588	0.0032	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 490 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	slotting	1/8"	312–468	0.0004	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 390 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	slotting	1/4"	312–468	0.0009	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 390 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	slotting	3/8"	312–468	0.0017	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 390 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	slotting	1/2"	312–468	0.0023	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 390 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	slotting	5/8"	312–468	0.0026	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 390 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	slotting	3/4"	312–468	0.0028	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 390 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Free-machining stainless: 303, 416, 420F, 430F, 440F (≤275 HB)	slotting	1"	312–468	0.0032	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 390 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	profiling (side milling)	1/8"	272–408	0.0003	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 340 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	profiling (side milling)	1/4"	272–408	0.0007	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 340 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	profiling (side milling)	3/8"	272–408	0.0014	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 340 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	profiling (side milling)	1/2"	272–408	0.0018	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 340 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	profiling (side milling)	5/8"	272–408	0.002	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 340 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	profiling (side milling)	3/4"	272–408	0.0022	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 340 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	profiling (side milling)	1"	272–408	0.0025	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 340 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	slotting	1/8"	216–324	0.0003	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 270 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	slotting	1/4"	216–324	0.0007	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 270 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	slotting	3/8"	216–324	0.0014	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 270 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	slotting	1/2"	216–324	0.0018	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 270 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	slotting	5/8"	216–324	0.002	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 270 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	slotting	3/4"	216–324	0.0022	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 270 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
Difficult stainless: 304, 304L, 316, 316L (≤275 HB)	slotting	1"	216–324	0.0025	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 270 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	profiling (side milling)	1/8"	248–372	0.0003	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 310 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	profiling (side milling)	1/4"	248–372	0.0007	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 310 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	profiling (side milling)	3/8"	248–372	0.0014	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 310 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	profiling (side milling)	1/2"	248–372	0.0018	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 310 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	profiling (side milling)	5/8"	248–372	0.002	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 310 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	profiling (side milling)	3/4"	248–372	0.0022	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 310 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	profiling (side milling)	1"	248–372	0.0025	Profile: Ae ≤0.5×D, Ap ≤1.5×D. SGS nominal 310 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	slotting	1/8"	200–300	0.0003	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 250 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	slotting	1/4"	200–300	0.0007	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 250 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	slotting	3/8"	200–300	0.0014	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 250 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	slotting	1/2"	200–300	0.0018	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 250 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	slotting	5/8"	200–300	0.002	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 250 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	slotting	3/4"	200–300	0.0022	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 250 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools
PH stainless: 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 (≤325 HB)	slotting	1"	200–300	0.0025	Slot: Ae 1×D, Ap ≤1×D. SGS nominal 250 SFM (range shown). Ramp ≤5°, do not plunge (as printed). ✓ Cross-checked	SGS / Kyocera SGS Precision Tools

Sandvik Coromant: CoroMill Dura cutting data: Versatile 1-2 x D assortment

Tool: CoroMill Dura solid carbide end mill (1-2×D, typically 4 flutes; Sandvik: +30% fz for Z2/Z3 versions). Facts sourced with attribution and link; PDF not re-hosted. Sandvik points to CoroPlus ToolGuide for optimized data.

Grade (as listed)	Cut	Dia	SFM	IPT (in)	Note	Source
Ferritic/martensitic stainless (P5.0, 200 HB)	slotting	1/4"	262	0.001	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F02. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	slotting	3/8"	262	0.0014	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F02. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	slotting	1/2"	262	0.0019	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F02. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	slotting	5/8"	262	0.0023	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F02. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	slotting	3/4"	262	0.0027	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F02. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	slotting	1"	262	0.0035	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F02. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	1/4"	295	0.0015	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F05. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	3/8"	295	0.002	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F05. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	1/2"	295	0.0024	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F05. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	5/8"	295	0.0028	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F05. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	3/4"	295	0.0033	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F05. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	1"	295	0.0041	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F05. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	1/4"	492	0.0018	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	3/8"	492	0.0024	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	1/2"	492	0.003	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	5/8"	492	0.0035	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	3/4"	492	0.0041	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Ferritic/martensitic stainless (P5.0, 200 HB)	profiling (side milling)	1"	492	0.0053	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	slotting	1/4"	230	0.0012	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F01. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	slotting	3/8"	230	0.0017	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F01. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	slotting	1/2"	230	0.0022	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F01. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	slotting	5/8"	230	0.0028	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F01. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	slotting	3/4"	230	0.0033	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F01. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	slotting	1"	230	0.0043	Slot: ae 1.0×D, ap 0.5×D (as printed). Feed code F01. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	1/4"	262	0.0018	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	3/8"	262	0.0024	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	1/2"	262	0.003	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	5/8"	262	0.0035	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	3/4"	262	0.0041	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	1"	262	0.0053	Side milling: ae 0.5×D, ap 1.0×D (as printed). Feed code F04. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	1/4"	393	0.0022	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F06. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	3/8"	393	0.003	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F06. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	1/2"	393	0.0038	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F06. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	5/8"	393	0.0047	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F06. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	3/4"	393	0.0055	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F06. ✓ Cross-checked	Sandvik Coromant
Austenitic stainless (M1.0, 200 HB)	profiling (side milling)	1"	393	0.0071	Light side milling: ae 0.1×D, ap 1.5×D (as printed). Feed code F06. ✓ Cross-checked	Sandvik Coromant