4mm Sutton high speed steel long drill bit.
Long series drill bits offer longer flute & overall length than standard drill bits. Ideal for drilling deeper holes.
The blue finish used on Sutton long drills reduces chip build up on the cutting edge and makes a better choice when used on ferrous materials.
| Diameter (mm) | 4 |
| Flute length (mm) | 86 |
| Overall length (mm) | 146 |
Supplied carded