Sienci Labs
1/4" 2F Flat End Mill UC
Type: flat end mill · Diameter: 0.25" · Flutes: 2 · Shank: 0.25"
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.
| Material | Machine class | RPM | Feed IPM | Chip load (in) | Note | Source |
|---|---|---|---|---|---|---|
| Aluminum | hobby-light | 12000 | 59.84 | 0.00249 | [Tested on Sienci LongMill MK2; converted from mm by ChipLoad] | Sienci Labs |
| Hardwood | hobby-light | 12000 | 86.22 | 0.00359 | [Tested on Sienci LongMill MK2; converted from mm by ChipLoad] | Sienci Labs |
| Plastics | hobby-light | 10000 | 103.94 | 0.0052 | [Tested on Sienci LongMill MK2; converted from mm by ChipLoad] | Sienci Labs |
| Softwood | hobby-light | 12000 | 86.22 | 0.00359 | [Tested on Sienci LongMill MK2; converted from mm by ChipLoad] | Sienci Labs |
Retrieved 2026-10-16. Get the tool file from the manufacturer: Sienci Labs downloads