ChipLoad

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

O-flute bit profile illustrationSpeTool O-flute

SpeTool single O-flute router bit (1/8")

Type: O-flute bit · Diameter: 0.125" · Flutes: 1

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
Aluminumany18000360.002Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Single flute inferred from printed feed = RPM × chip load. ✓ Cross-checkedSpeTool
Aluminumany18000720.004Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Single flute inferred from printed feed = RPM × chip load. ✓ Cross-checkedSpeTool
MDF / softwoodany180001080.006Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Single flute inferred from printed feed = RPM × chip load. ✓ Cross-checkedSpeTool
MDF / softwoodany180001800.01Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Single flute inferred from printed feed = RPM × chip load. ✓ Cross-checkedSpeTool
Plastic / acrylicany18000720.004Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Single flute inferred from printed feed = RPM × chip load. ✓ Cross-checkedSpeTool
Plastic / acrylicany180001440.008Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Single flute inferred from printed feed = RPM × chip load. ✓ Cross-checkedSpeTool

Retrieved 2026-10-16. Get the tool file from the maker: SpeTool downloads

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