ChipLoad

Bits › 3/8" roughing end mill

roughing end mill profile illustration3/8" roughing end mill feeds and speeds

45 sourced settings from High Country Tools. Published chip loads range from 0.00067 to 0.00441 in per tooth. Pick your material:

acrylic (5) · baltic birch plywood (5) · dense hardwood (maple, oak) (5) · epoxy resin (5) · hardwood (5) · hdpe / uhmw (5) · mdf (5) · melamine (5) · softwood (5)

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Manufacturer / bitMaterialMachine classRPMFeed IPMChip load (in)Source
High Country Tools RIPPER-38-DLCAcrylic / PVC (hard plastic)hobby-ultralight1200037.50.00104source
High Country Tools RIPPER-38-DLCPlywood - Baltic birchhobby-ultralight1200028.50.00079source
High Country Tools RIPPER-38-DLCHardwood - Dense (maple, oak, ash)hobby-ultralight12000270.00075source
High Country Tools RIPPER-38-DLCEpoxy / resinhobby-ultralight12000240.00067source
High Country Tools RIPPER-38-DLCHardwoodhobby-ultralight12000300.00083source
High Country Tools RIPPER-38-DLCHDPE / UHMW / nylon (soft plastic)hobby-ultralight1150040.30.00117source
High Country Tools RIPPER-38-DLCMDF / particleboardhobby-ultralight12000330.00092source
High Country Tools RIPPER-38-DLCPlywood - Melamine / laminatehobby-ultralight1200025.50.00071source
High Country Tools RIPPER-38-DLCSoftwood (pine, cedar, fir)hobby-ultralight1200034.50.00096source
High Country Tools RIPPER-38-DLCAcrylic / PVC (hard plastic)hobby-light1250060.80.00162source
High Country Tools RIPPER-38-DLCPlywood - Baltic birchhobby-light1800066.50.00123source
High Country Tools RIPPER-38-DLCHardwood - Dense (maple, oak, ash)hobby-light18000630.00117source
High Country Tools RIPPER-38-DLCEpoxy / resinhobby-light1450045.10.00104source
High Country Tools RIPPER-38-DLCHardwoodhobby-light18000700.0013source
High Country Tools RIPPER-38-DLCHDPE / UHMW / nylon (soft plastic)hobby-light1150062.60.00181source
High Country Tools RIPPER-38-DLCMDF / particleboardhobby-light1700072.70.00143source
High Country Tools RIPPER-38-DLCPlywood - Melamine / laminatehobby-light1800059.50.0011source
High Country Tools RIPPER-38-DLCSoftwood (pine, cedar, fir)hobby-light17000760.00149source
High Country Tools RIPPER-38-DLCAcrylic / PVC (hard plastic)hobby-rigid1250086.80.00231source
High Country Tools RIPPER-38-DLCPlywood - Baltic birchhobby-rigid18000950.00176source
High Country Tools RIPPER-38-DLCHardwood - Dense (maple, oak, ash)hobby-rigid18000900.00167source
High Country Tools RIPPER-38-DLCEpoxy / resinhobby-rigid1450064.40.00148source
High Country Tools RIPPER-38-DLCHardwoodhobby-rigid180001000.00185source
High Country Tools RIPPER-38-DLCHDPE / UHMW / nylon (soft plastic)hobby-rigid1150089.50.00259source
High Country Tools RIPPER-38-DLCMDF / particleboardhobby-rigid17000103.90.00204source
High Country Tools RIPPER-38-DLCPlywood - Melamine / laminatehobby-rigid18000850.00157source
High Country Tools RIPPER-38-DLCSoftwood (pine, cedar, fir)hobby-rigid17000108.60.00213source
High Country Tools RIPPER-38-DLCAcrylic / PVC (hard plastic)business12500121.50.00324source
High Country Tools RIPPER-38-DLCPlywood - Baltic birchbusiness180001330.00246source
High Country Tools RIPPER-38-DLCHardwood - Dense (maple, oak, ash)business180001260.00233source
High Country Tools RIPPER-38-DLCEpoxy / resinbusiness1450090.20.00207source
High Country Tools RIPPER-38-DLCHardwoodbusiness180001400.00259source
High Country Tools RIPPER-38-DLCHDPE / UHMW / nylon (soft plastic)business11500125.20.00363source
High Country Tools RIPPER-38-DLCMDF / particleboardbusiness17000145.50.00285source
High Country Tools RIPPER-38-DLCPlywood - Melamine / laminatebusiness180001190.0022source
High Country Tools RIPPER-38-DLCSoftwood (pine, cedar, fir)business17000152.10.00298source
High Country Tools RIPPER-38-DLCAcrylic / PVC (hard plastic)industrial12500147.60.00394source
High Country Tools RIPPER-38-DLCPlywood - Baltic birchindustrial18000161.50.00299source
High Country Tools RIPPER-38-DLCHardwood - Dense (maple, oak, ash)industrial180001530.00283source
High Country Tools RIPPER-38-DLCEpoxy / resinindustrial14500109.60.00252source
High Country Tools RIPPER-38-DLCHardwoodindustrial180001700.00315source
High Country Tools RIPPER-38-DLCHDPE / UHMW / nylon (soft plastic)industrial11500152.10.00441source
High Country Tools RIPPER-38-DLCMDF / particleboardindustrial17000176.60.00346source
High Country Tools RIPPER-38-DLCPlywood - Melamine / laminateindustrial18000144.50.00268source
High Country Tools RIPPER-38-DLCSoftwood (pine, cedar, fir)industrial17000184.70.00362source

FAQ

What feeds and speeds for a 3/8" roughing end mill on a hobby-ultralight CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00067–0.00117 in per tooth and a feed of 24–40.3 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" roughing end mill on a hobby-light CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00104–0.00181 in per tooth and a feed of 45.1–76 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" roughing end mill on a hobby-rigid CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00148–0.00259 in per tooth and a feed of 64.4–108.6 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" roughing end mill on a business CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00207–0.00363 in per tooth and a feed of 90.2–152.1 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" roughing end mill on a industrial CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00252–0.00441 in per tooth and a feed of 109.6–184.7 IPM (9 sourced rows). Start low and test in scrap.