ChipLoad

Bits · Materials · Machines · Calculator — Cross-brand CNC router feeds & speeds, every number linked to its maker's source.

keyhole / slot bit profile illustrationHigh Country Tools KEY-38

KEY-38 - 3/8" Keyhole Router Bit

Type: keyhole / slot bit · Diameter: 0.375" · Flutes: 1 · Shank: 0.25"

Starting points only, copied from the makers' own published data. Every machine differs: test in scrap, tune by ear. Neither ChipLoad nor the makers 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 maker.

MaterialMachine classRPMFeed IPMChip load (in)NoteSource
Acrylic / PVC (hard plastic)hobby-ultralight1200012.10.00101High Country Tools starting pointHigh Country Tools
Acrylic / PVC (hard plastic)hobby-light1250019.70.00158High Country Tools starting pointHigh Country Tools
Acrylic / PVC (hard plastic)hobby-rigid1250028.10.00225High Country Tools starting pointHigh Country Tools
Acrylic / PVC (hard plastic)business1250039.40.00315High Country Tools starting pointHigh Country Tools
Acrylic / PVC (hard plastic)industrial1250047.80.00382High Country Tools starting pointHigh Country Tools
Epoxy / resinhobby-ultralight120007.80.00065High Country Tools starting pointHigh Country Tools
Epoxy / resinhobby-light1450014.60.00101High Country Tools starting pointHigh Country Tools
Epoxy / resinhobby-rigid1450020.90.00144High Country Tools starting pointHigh Country Tools
Epoxy / resinbusiness1450029.20.00202High Country Tools starting pointHigh Country Tools
Epoxy / resinindustrial1450035.50.00245High Country Tools starting pointHigh Country Tools
HDPE / UHMW / nylon (soft plastic)hobby-ultralight1150013.00.00113High Country Tools starting pointHigh Country Tools
HDPE / UHMW / nylon (soft plastic)hobby-light1150020.30.00176High Country Tools starting pointHigh Country Tools
HDPE / UHMW / nylon (soft plastic)hobby-rigid1150029.00.00252High Country Tools starting pointHigh Country Tools
HDPE / UHMW / nylon (soft plastic)business1150040.60.00353High Country Tools starting pointHigh Country Tools
HDPE / UHMW / nylon (soft plastic)industrial1150049.30.00428High Country Tools starting pointHigh Country Tools
Hardwoodhobby-ultralight120009.70.00081High Country Tools starting pointHigh Country Tools
Hardwoodhobby-light1800022.70.00126High Country Tools starting pointHigh Country Tools
Hardwoodhobby-rigid1800032.40.0018High Country Tools starting pointHigh Country Tools
Hardwoodbusiness1800045.40.00252High Country Tools starting pointHigh Country Tools
Hardwoodindustrial1800055.10.00306High Country Tools starting pointHigh Country Tools
Hardwood - Dense (maple, oak, ash)hobby-ultralight120008.70.00073High Country Tools starting pointHigh Country Tools
Hardwood - Dense (maple, oak, ash)hobby-light1800020.40.00113High Country Tools starting pointHigh Country Tools
Hardwood - Dense (maple, oak, ash)hobby-rigid1800029.20.00162High Country Tools starting pointHigh Country Tools
Hardwood - Dense (maple, oak, ash)business1800040.80.00227High Country Tools starting pointHigh Country Tools
Hardwood - Dense (maple, oak, ash)industrial1800049.60.00275High Country Tools starting pointHigh Country Tools
MDF / particleboardhobby-ultralight1200010.70.00089High Country Tools starting pointHigh Country Tools
MDF / particleboardhobby-light1700023.60.00139High Country Tools starting pointHigh Country Tools
MDF / particleboardhobby-rigid1700033.70.00198High Country Tools starting pointHigh Country Tools
MDF / particleboardbusiness1700047.10.00277High Country Tools starting pointHigh Country Tools
MDF / particleboardindustrial1700057.20.00337High Country Tools starting pointHigh Country Tools
Plywood - Baltic birchhobby-ultralight120009.20.00077High Country Tools starting pointHigh Country Tools
Plywood - Baltic birchhobby-light1800021.50.0012High Country Tools starting pointHigh Country Tools
Plywood - Baltic birchhobby-rigid1800030.80.00171High Country Tools starting pointHigh Country Tools
Plywood - Baltic birchbusiness1800043.10.00239High Country Tools starting pointHigh Country Tools
Plywood - Baltic birchindustrial1800052.30.00291High Country Tools starting pointHigh Country Tools
Plywood - Melamine / laminatehobby-ultralight120008.30.00069High Country Tools starting pointHigh Country Tools
Plywood - Melamine / laminatehobby-light1800019.30.00107High Country Tools starting pointHigh Country Tools
Plywood - Melamine / laminatehobby-rigid1800027.50.00153High Country Tools starting pointHigh Country Tools
Plywood - Melamine / laminatebusiness1800038.60.00214High Country Tools starting pointHigh Country Tools
Plywood - Melamine / laminateindustrial1800046.80.0026High Country Tools starting pointHigh Country Tools
Softwood (pine, cedar, fir)hobby-ultralight1200011.20.00093High Country Tools starting pointHigh Country Tools
Softwood (pine, cedar, fir)hobby-light1700024.60.00145High Country Tools starting pointHigh Country Tools
Softwood (pine, cedar, fir)hobby-rigid1700035.20.00207High Country Tools starting pointHigh Country Tools
Softwood (pine, cedar, fir)business1700049.30.0029High Country Tools starting pointHigh Country Tools
Softwood (pine, cedar, fir)industrial1700059.80.00352High Country Tools starting pointHigh Country Tools

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

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