CNC Bit Reference — Ball Nose 2-Flute — 1/4"
Notes
Larger diameter = faster coverage of big surfaces but less fine detail.
Tips
Requires 1/4" ER11 collet adapter. Pair with smaller ball nose for detail areas.
Details
Larger diameter = faster coverage of big surfaces but less fine detail.
Specs
| Setting | Value |
|---|---|
| Shank | 1/4" (6.35mm) |
| Cutting Dia | 6.35mm (1/4") |
| Flutes | 2 — ball nose |
| Material | Carbide |
Limits
| Setting | Value |
|---|---|
| Max Rpm | 24000 RPM |
Requirements
| Setting | Value |
|---|---|
| Requires | 1/4" ER11 collet |
Applications
| Setting | Value |
|---|---|
| Best For | Large 3D relief panels, contoured work, rough 3D passes |
Roughing
| Setting | Value |
|---|---|
| Roughing Rpm | 7500-8500 RPM |
| Roughing Feed | 1500-2000 mm/min |
| Roughing Stepover | 30-40% of diameter |
Finishing
| Setting | Value |
|---|---|
| Finishing Rpm | 8000-9000 RPM |
| Finishing Feed | 1000-1500 mm/min |
| Finishing Stepover | 5-10% of diameter |
Tips
Requires 1/4" ER11 collet adapter. Pair with smaller ball nose for detail areas.