SpeTool Carbide spiral
SpeTool 2-flute carbide upcut spiral (1/4")
Type: upcut end mill · Diameter: 0.25" · Flutes: 2
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 |
|---|---|---|---|---|---|---|
| Hardwood | any | 18000 | 215 | 0.006 | Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Flute count 2 inferred by SpeTool feed = RPM × flutes × chip load in the printed rows. ✓ Cross-checked | SpeTool |
| Hardwood | any | 18000 | 145 | 0.004 | Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Flute count 2 inferred by SpeTool feed = RPM × flutes × chip load in the printed rows. ✓ Cross-checked | SpeTool |
| Hardwood | any | 18000 | 180 | 0.005 | Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Flute count 2 inferred by SpeTool feed = RPM × flutes × chip load in the printed rows. ✓ Cross-checked | SpeTool |
| MDF / laminate | any | 18000 | 290 | 0.008 | Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Flute count 2 inferred by SpeTool feed = RPM × flutes × chip load in the printed rows. ✓ Cross-checked | SpeTool |
| MDF / laminate | any | 18000 | 230 | 0.006 | Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Flute count 2 inferred by SpeTool feed = RPM × flutes × chip load in the printed rows. ✓ Cross-checked ⚠ Formula check: published feed 230 IPM vs RPM×flutes×chip load = 216.0 IPM (+6%) | SpeTool |
| MDF / laminate | any | 18000 | 260 | 0.0072 | Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Flute count 2 inferred by SpeTool feed = RPM × flutes × chip load in the printed rows. ✓ Cross-checked | SpeTool |
| Softwood | any | 18000 | 250 | 0.007 | Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Flute count 2 inferred by SpeTool feed = RPM × flutes × chip load in the printed rows. ✓ Cross-checked | SpeTool |
| Softwood | any | 18000 | 200 | 0.0056 | Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Flute count 2 inferred by SpeTool feed = RPM × flutes × chip load in the printed rows. ✓ Cross-checked | SpeTool |
| Softwood | any | 18000 | 220 | 0.0062 | Depth of cut 1×D; reduce feed 30% at 2×D, 50% at 3×D (as printed). Flute count 2 inferred by SpeTool feed = RPM × flutes × chip load in the printed rows. ✓ Cross-checked | SpeTool |
Retrieved 2026-10-16. Get the tool file from the manufacturer: SpeTool downloads