21/64 inch (8.33mm) 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) | 21/64 |
| Flute length (inch) | 3-5/16 |
| Overall length (inch) | 4-5/8 |
Supplied carded