| Manufacturer Part Number | 66-903ALTIN |
| Series | 66-900 |
| Cutting Diameter (Decimal Inch) | 0.125" |
| Length of Cut (Decimal Inch) | 0.500" |
| Shank Diameter (Decimal Inch) | 0.125" |
| Overall Length (Decimal Inch) | 1.500" |
| Tool Material | Solid Carbide |
| Material Cut | Composite |