4mm Sutton high speed steel cobalt drill bit.
Industrial quality for drilling metal, stainless steel and high tensile steel.
The cobalt formula improves abrasive & heat resistance, for increased strength at higher drilling temperatures.
Colour tempered, enabling easy identification of cobalt drill bits.
| Diameter (mm) | 4 |
| Flute length (mm) | 43 |
| Overall length (mm) | 75 |
Supplied carded