ChipLoad

flat end mill profile illustrationFreud Solid carbide

Freud solid carbide router bit (1/4")

Type: flat end mill · Diameter: 0.25" · Flutes: see manufacturer catalog

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 / hard plasticany––0.005 – 0.008Freud chart for its solid carbide router bits, depth of cut = 1xD (2xD: -25%, 3xD: -50%). No RPM published. ✓ Cross-checkedFreud
Aluminumany––0.005 – 0.007Freud chart for its solid carbide router bits, depth of cut = 1xD (2xD: -25%, 3xD: -50%). No RPM published. ✓ Cross-checkedFreud
Hardwoodany––0.008 – 0.011Freud chart for its solid carbide router bits, depth of cut = 1xD (2xD: -25%, 3xD: -50%). No RPM published. ✓ Cross-checkedFreud
Laminated particle boardany––0.01 – 0.015Freud chart for its solid carbide router bits, depth of cut = 1xD (2xD: -25%, 3xD: -50%). No RPM published. ✓ Cross-checkedFreud
MDF / particle boardany––0.013 – 0.017Freud chart for its solid carbide router bits, depth of cut = 1xD (2xD: -25%, 3xD: -50%). No RPM published. ✓ Cross-checkedFreud
Plywood (solid surface/plywood column)any––0.006 – 0.009Freud chart for its solid carbide router bits, depth of cut = 1xD (2xD: -25%, 3xD: -50%). No RPM published. ✓ Cross-checkedFreud
Soft plasticany––0.006 – 0.009Freud chart for its solid carbide router bits, depth of cut = 1xD (2xD: -25%, 3xD: -50%). No RPM published. ✓ Cross-checkedFreud
Softwoodany––0.01 – 0.012Freud chart for its solid carbide router bits, depth of cut = 1xD (2xD: -25%, 3xD: -50%). No RPM published. ✓ Cross-checkedFreud

Retrieved 2026-10-16. Get the tool file from the manufacturer: Freud downloads