| Manufacturer Part Number | HPK19904 |
| Diameter (Inch) | 6/61" |
| Diameter (Decimal Inch) | 0.098" |
| Diameter (mm) | 2.50mm |
| Shank Diameter (Inch) | 13/55" |
| Shank Diameter (Decimal Inch) | 0.236" |
| Shank Diameter (mm) | 6.00mm |
| Length of Cut (Inch) | 6/61" |
| Length of Cut (Decimal Inch) | 0.098" |
| Length of Cut (mm) | 2.50mm |
| LBS (Inch) | 13/55" |
| LBS (Decimal Inch) | 0.236" |
| LBS (mm) | 6.00mm |
| Overall Length (Inch) | 2-1/6" |
| Overall Length (Decimal Inch) | 2.165" |
| Overall Length (mm) | 55.00mm |
| Neck Diameter (mm) | 2.40mm |
| Interferance Angle (Degree) | 7.83 Degree |
| Number of Flutes | 2 |
| Series | HPK19 |
| Shank Type | Plain |
| Helix Angle (Degree) | 35 Degree |
| Coating | C |
| Material | Carbide |
| Cutting Direction | Right Hand |
| Cut Type | Center |
| Product Type | Square End Mill-Extended Neck |