| Manufacturer Part Number | 23257 |
| Diameter (Decimal Inch) | 0.0625" |
| Diameter (Inch) | 1/16" |
| Diameter (mm) | 1.59mm |
| Shank Diameter (Decimal Inch) | 0.2500" |
| Shank Diameter (Inch) | 1/4" |
| Shank Diameter (mm) | 6.35mm |
| Length of Cut (Decimal Inch) | 0.1563" |
| Length of Cut (Inch) | 5/32" |
| Length of Cut (mm) | 3.97mm |
| Overall Length (Decimal Inch) | 1.0938" |
| Overall Length (Inch) | 1-3/32" |
| Overall Length (mm) | 27.78mm |
| Series | E2161 |
| Shank Style | Flat |
| Helix Angle | 30 Degree |
| Number of Flutes | 3 |
| Coating | Bright |
| Cut Type | Center Cutting |
| Cutting Direction | Right |
| Type | Square End Mill |
| Application | P |
| Material | HSSCo8 |