| Manufacturer Part Number | 531000 |
| Shank Type | Taper Shank |
| Taper Size | CAT40 |
| Hole Diameter (Inch) | 1/4" |
| Nose Diameter (Decimal Inch) | 0.79" |
| Projection (Decimal Inch) | 1.38" |
| Through Coolant | Yes |
| Balanced to (RPM) | 30000 RPM |
| Seat Depth (Decimal Inch) | 1.18" |
| Set Screw | 1/4"-28 |
| Notes | Stubby |
| Product Type | End Mill Holder & Adapter |