5/16 inch (7.94mm) Sutton high speed steel drill Viper bit.
The Viper Bit has been developed specifically for the semi-industrial trades person and the home handy person.
| Diameter (inch) | 5/16 |
| Flute length (inch) | 3-3/16 |
| Overall length (inch) | 4-1/2 |
Supplied carded