| Manufacturer Part Number | 12100HF |
| Diameter (Decimal Inch) | 0.6875" |
| Diameter (Inch) | 11/16" |
| Diameter (mm) | 17.46mm |
| Shank Diameter (Decimal Inch) | 0.7500" |
| Shank Diameter (Inch) | 3/4" |
| Shank Diameter (mm) | 19.05mm |
| Length of Cut (Decimal Inch) | 1.6250" |
| Length of Cut (Inch) | 1-5/8" |
| Length of Cut (mm) | 41.28mm |
| Overall Length (Decimal Inch) | 5.6250" |
| Overall Length (Inch) | 5-5/8" |
| Overall Length (mm) | 142.88mm |
| Number of Flutes | 4 |
| Helix Angle (Degree) | 30 Degree |
| Material | HSS |
| Coating | TiAlN-Futura |
| Shank Style | Flat |
| Cut Type | End Cutting |
| Corner Type | Square End |
| Cutting Direction | Right Hand |
| Application | P |
| Series | E1051 |
| End Type | Double End |
| Length Type | Regular |
| Product Type | Square End Mill |