| Manufacturer Part Number | GMF16977 |
| Diameter (Decimal Inch) | 0.3125" |
| Diameter (Inch) | 5/16" |
| Diameter (mm) | 7.94mm |
| Shank Diameter (Decimal Inch) | 0.3125" |
| Shank Diameter (Inch) | 5/16" |
| Shank Diameter (mm) | 7.94mm |
| Length of Cut (Decimal Inch) | 0.5625" |
| Length of Cut (Inch) | 9/16" |
| Length of Cut (mm) | 14.29mm |
| Overall Length (Decimal Inch) | 4.0000" |
| Overall Length (Inch) | 4" |
| Overall Length (mm) | 101.60mm |
| Ball Nose Radius (Decimal Inch) | 0.1563" |
| Ball Nose Radius (Inch) | 5/32" |
| Ball Nose Radius (mm) | 3.97mm |
| Shank Style | Plain |
| Helix Angle (Degree) | 30 Degree |
| Coating | AlCrN |
| Number of Flutes | 2 |
| Cut Type | Center Cut |
| Corner Type | Ball Nose |
| Series | GMF16 |
| Material | Carbide |
| Product Type | Ball Nose with Neck End Mill |