| Manufacturer Part Number | EP20643 |
| Diameter (Decimal Inch) | 1.0000" |
| Diameter (Inch) | 1" |
| Diameter (mm) | 25.40mm |
| Shank Diameter (Decimal Inch) | 1.0000" |
| Shank Diameter (Inch) | 1" |
| Shank Diameter (mm) | 25.40mm |
| Overall Length (Decimal Inch) | 8.5000" |
| Overall Length (Inch) | 8-1/2" |
| Overall Length (mm) | 215.90mm |
| Length of Cut (Decimal Inch) | 2.0000" |
| Length of Cut (Inch) | 2" |
| Length of Cut (mm) | 50.80mm |
| LBS (Decimal Inch) | 6.0000" |
| LBS (Inch) | 6" |
| LBS (mm) | 152.40mm |
| Helix Angle (Degree) | 35 Degree |
| Number of Flute | 6 |
| Coating | Bright |
| Material | Premium HSS-PM |
| Cut Type | Center Cut |
| Shank Style | Flat |
| Series | E9921 |
| Cutting Direction | Right |
| Product Type | Roughing End Mill |