ChipLoad

tapered ball nose bit profile illustrationHigh Country Tools TBN-18S-DLC

TBN-18S-DLC - 1/8" 3-Flute TBN 1-Degree

Type: tapered ball nose bit · Diameter: 0.25" · Flutes: 3 · Shank: 0.25"

Starting points only, sourced from the manufacturers' own published data. Every machine differs: test in scrap, tune by ear. Neither ChipLoad nor the manufacturers are responsible for broken tools.

Published values, summarized per material and machine class. For the full CAM library (plunge, depth, stepover), download it from the manufacturer.

MaterialMachine classRPMFeed IPMChip load (in)NoteSource
Acrylic / PVC (hard plastic)hobby-ultralight1200050.60.00141High Country Tools starting pointHigh Country Tools
Acrylic / PVC (hard plastic)hobby-light1250082.00.00219High Country Tools starting pointHigh Country Tools
Acrylic / PVC (hard plastic)hobby-rigid12500117.20.00313High Country Tools starting pointHigh Country Tools
Acrylic / PVC (hard plastic)business12500164.10.00438High Country Tools starting point ✓ Cross-checkedHigh Country Tools
Acrylic / PVC (hard plastic)industrial12500199.20.00531High Country Tools starting point ✓ Cross-checkedHigh Country Tools
Aluminum 6061hobby-light1600046.20.00096High Country Tools starting pointHigh Country Tools
Aluminum 6061hobby-rigid1600066.00.00137High Country Tools starting pointHigh Country Tools
Aluminum 6061business1600092.40.00193High Country Tools starting point ⚠ Outlier: ours 0.00193" vs median 0.0055" of 4 other manufacturer(s): Amana Tool, Freud, SpeTool, Vortex (-65%)High Country Tools
Aluminum 6061industrial16000112.20.00234High Country Tools starting point ✓ Cross-checkedHigh Country Tools
Epoxy / resinhobby-ultralight1200032.40.0009High Country Tools starting pointHigh Country Tools
Epoxy / resinhobby-light1450060.90.0014High Country Tools starting pointHigh Country Tools
Epoxy / resinhobby-rigid1450087.00.002High Country Tools starting pointHigh Country Tools
Epoxy / resinbusiness14500121.80.0028High Country Tools starting point ⚠ Outlier: ours 0.0028" vs median 0.00725" of 4 other manufacturer(s): Amana Tool, Freud, SpeTool, Vortex (-61%)High Country Tools
Epoxy / resinindustrial14500147.90.0034High Country Tools starting point ✓ Cross-checkedHigh Country Tools
HDPE / UHMW / nylon (soft plastic)hobby-ultralight1150054.30.00158High Country Tools starting pointHigh Country Tools
HDPE / UHMW / nylon (soft plastic)hobby-light1150084.50.00245High Country Tools starting pointHigh Country Tools
HDPE / UHMW / nylon (soft plastic)hobby-rigid11500120.70.0035High Country Tools starting pointHigh Country Tools
HDPE / UHMW / nylon (soft plastic)business11500169.00.0049High Country Tools starting point ✓ Cross-checkedHigh Country Tools
HDPE / UHMW / nylon (soft plastic)industrial11500205.30.00595High Country Tools starting point ✓ Cross-checkedHigh Country Tools
Hardwoodhobby-ultralight1200040.50.00112High Country Tools starting pointHigh Country Tools
Hardwoodhobby-light1600084.00.00175High Country Tools starting pointHigh Country Tools
Hardwoodhobby-rigid16000120.00.0025High Country Tools starting pointHigh Country Tools
Hardwoodbusiness16000168.00.0035High Country Tools starting point ⚠ Outlier: ours 0.0035" vs median 0.0095" of 3 other manufacturer(s): Freud, SpeTool, Vortex (-63%)High Country Tools
Hardwoodindustrial16000204.00.00425High Country Tools starting point ✓ Cross-checkedHigh Country Tools
Hardwood - Dense (maple, oak, ash)hobby-ultralight1200036.50.00101High Country Tools starting pointHigh Country Tools
Hardwood - Dense (maple, oak, ash)hobby-light1600075.60.00158High Country Tools starting pointHigh Country Tools
Hardwood - Dense (maple, oak, ash)hobby-rigid16000108.00.00225High Country Tools starting pointHigh Country Tools
Hardwood - Dense (maple, oak, ash)business16000151.20.00315High Country Tools starting point ⚠ Outlier: ours 0.00315" vs median 0.0095" of 3 other manufacturer(s): Freud, SpeTool, Vortex (-67%)High Country Tools
Hardwood - Dense (maple, oak, ash)industrial16000183.60.00382High Country Tools starting point ✓ Cross-checkedHigh Country Tools
MDF / particleboardhobby-ultralight1200044.60.00124High Country Tools starting pointHigh Country Tools
MDF / particleboardhobby-light1600092.40.00193High Country Tools starting pointHigh Country Tools
MDF / particleboardhobby-rigid16000132.00.00275High Country Tools starting pointHigh Country Tools
MDF / particleboardbusiness16000184.80.00385High Country Tools starting point ✓ Cross-checkedHigh Country Tools
MDF / particleboardindustrial16000224.40.00468High Country Tools starting point ✓ Cross-checkedHigh Country Tools
Plywood - Baltic birchhobby-ultralight1200038.50.00107High Country Tools starting pointHigh Country Tools
Plywood - Baltic birchhobby-light1600079.80.00166High Country Tools starting pointHigh Country Tools
Plywood - Baltic birchhobby-rigid16000114.00.00237High Country Tools starting pointHigh Country Tools
Plywood - Baltic birchbusiness16000159.60.00332High Country Tools starting point ✓ Cross-checkedHigh Country Tools
Plywood - Baltic birchindustrial16000193.80.00404High Country Tools starting point ✓ Cross-checkedHigh Country Tools
Plywood - Melamine / laminatehobby-ultralight1200034.40.00096High Country Tools starting pointHigh Country Tools
Plywood - Melamine / laminatehobby-light1600071.40.00149High Country Tools starting pointHigh Country Tools
Plywood - Melamine / laminatehobby-rigid16000102.00.00213High Country Tools starting pointHigh Country Tools
Plywood - Melamine / laminatebusiness16000142.80.00298High Country Tools starting point ⚠ Outlier: ours 0.00298" vs median 0.0075" of 3 other manufacturer(s): Amana Tool, Freud, Vortex (-60%)High Country Tools
Plywood - Melamine / laminateindustrial16000173.40.00361High Country Tools starting point ✓ Cross-checkedHigh Country Tools
Softwood (pine, cedar, fir)hobby-ultralight1200046.60.00129High Country Tools starting pointHigh Country Tools
Softwood (pine, cedar, fir)hobby-light1600096.60.00201High Country Tools starting pointHigh Country Tools
Softwood (pine, cedar, fir)hobby-rigid16000138.00.00287High Country Tools starting pointHigh Country Tools
Softwood (pine, cedar, fir)business16000193.20.00402High Country Tools starting point ✓ Cross-checkedHigh Country Tools
Softwood (pine, cedar, fir)industrial16000234.60.00489High Country Tools starting point ✓ Cross-checkedHigh Country Tools

Retrieved 2026-10-16. Get the tool file from the manufacturer: High Country Tools downloads