ChipLoad

Bits › 1/4" flat end mill

flat end mill profile illustration1/4" flat end mill feeds and speeds

47 sourced settings from Amana Tool, Freud, Harvey Tool, Onsrud, Sienci Labs, Vortex. Published chip loads range from 0.00249 to 0.017 in per tooth. Pick your material:

abs (4) · acrylic (4) · aluminum (5) · cast acrylic (3) · extruded acrylic (4) · hardwood (3) · high pressure laminate (1) · laminated particle board (1) · mdf (4) · phenolic / paperstone (1) · plastic (5) · polycarbonate (lexan) (5) · softwood (4) · solid surface (1) · wood / mdf (2)

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Maker / bitMaterialMachine classRPMFeed IPMChip load (in)Source
Sienci Labs Aluminumhobby-light1700042.50.0025source
Sienci Labs Aluminumhobby-light1200059.80.00249source
Sienci Labs Hardwoodhobby-light17000850.005source
Sienci Labs Hardwoodhobby-light1200086.20.00359source
Sienci Labs Plasticshobby-light12000720.006source
Sienci Labs Plasticshobby-light10000103.90.0052source
Sienci Labs Softwoodhobby-light17000850.005source
Sienci Labs Softwoodhobby-light1200086.20.00359source
Amana Tool 46577-KPlastic, Acrylic, Plexiglasindustrial18000180–2500.005–0.007source
Amana Tool 46577Plastic, Acrylic, Plexiglasindustrial18000180–2500.005–0.007source
Amana Tool 46577Aluminum, Copper, Brassindustrial18000180–2500.005–0.007source
Amana Tool 46577-KWood, MDF, Sign-Foamindustrial18000215–2900.006–0.008source
Amana Tool 46577Wood, MDF, Sign-Foamindustrial18000215–2900.006–0.008source
Onsrud 10-00ABSany––0.006–0.008source
Onsrud 56-430ABSany––0.007–0.009source
Onsrud 56-600ABSany––0.008–0.01source
Onsrud 61-000PABSany––0.008–0.012source
Freud SolidAcrylic / hard plasticany––0.005–0.008source
Vortex SolidAcrylicany18000–0.008–0.01source
Freud SolidAluminumany––0.005–0.007source
Vortex SolidAluminumany18000–0.005–0.007source
Onsrud 56-430Cast acrylicany––0.006–0.008source
Onsrud 56-600Cast acrylicany––0.007–0.009source
Onsrud 61-000PCast acrylicany––0.007–0.011source
Onsrud 10-00Extruded acrylicany––0.006–0.008source
Onsrud 56-430Extruded acrylicany––0.007–0.009source
Onsrud 56-600Extruded acrylicany––0.008–0.01source
Onsrud 61-000PExtruded acrylicany––0.008–0.012source
Freud SolidHardwoodany––0.008–0.011source
Vortex SolidHigh pressure laminateany18000–0.009–0.012source
Freud SolidLaminated particle boardany––0.01–0.015source
Freud SolidMDF / particle boardany––0.013–0.017source
Vortex SolidMDF / particle boardany18000–0.013–0.016source
Vortex SolidPhenolic / Paperstoneany18000–0.004–0.006source
Freud SolidSoft plasticany––0.006–0.009source
Vortex SolidHard plasticany18000–0.006–0.009source
Vortex SolidSoft plasticany18000–0.007–0.01source
Harvey Tool GeneralPolycarbonate (Lexan)any––0.003source
Onsrud 10-00Polycarbonate (Lexan)any––0.006–0.008source
Onsrud 56-430Polycarbonate (Lexan)any––0.007–0.009source
Onsrud 56-600Polycarbonate (Lexan)any––0.008–0.01source
Onsrud 61-000PPolycarbonate (Lexan)any––0.008–0.012source
Freud SolidSoftwoodany––0.01–0.012source
Vortex SolidSoftwood / plywoodany18000–0.009–0.013source
Vortex SolidSolid surfaceany18000–0.006–0.009source
Freud SolidPlywood (solid surface/plywood column)any––0.006–0.009source
Vortex SolidHard woodany18000–0.009–0.011source

FAQ

What feeds and speeds for a 1/4" flat end mill on a hobby-light CNC router?
Published maker data (Sienci Labs) gives a chip load of 0.00249–0.006 in per tooth and a feed of 42.5–103.9 IPM (8 sourced rows). Start low and test in scrap.

What feeds and speeds for a 1/4" flat end mill on a industrial CNC router?
Published maker data (Amana Tool) gives a chip load of 0.005–0.008 in per tooth and a feed of 180–290 IPM (5 sourced rows). Start low and test in scrap.

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