CNC Bit Reference — Ball Nose 2-Flute — 1/8"
Notes
Roughing pass with flat end mill first, then ball nose for finishing. Stepover controls surface quality.
Tips
10% stepover = visible ridges. 5% = smooth. 3% = very fine but very slow.
Details
Roughing pass with flat end mill first, then ball nose for finishing. Stepover controls surface quality.
Specs
| Setting | Value |
|---|---|
| Shank | 1/8" (3.175mm) |
| Cutting Dia | 3.175mm |
| Flutes | 2 — ball nose |
| Material | Carbide |
Limits
| Setting | Value |
|---|---|
| Max Rpm | 30000 RPM |
Applications
| Setting | Value |
|---|---|
| Best For | 3D relief carving, curved surfaces, finishing |
Roughing
| Setting | Value |
|---|---|
| Roughing Rpm | 8000-9000 RPM |
| Roughing Feed | 1200-1500 mm/min |
| Roughing Stepover | 30-40% of diameter |
Finishing
| Setting | Value |
|---|---|
| Finishing Rpm | 9000-10000 RPM |
| Finishing Feed | 800-1200 mm/min |
| Finishing Stepover | 5-10% of diameter |
Tips
10% stepover = visible ridges. 5% = smooth. 3% = very fine but very slow.