This Dexter step cone drill bit has a triangular shank and ranges from 4mm to 20mm, made from steel for precise drilling of various sizes in metal, wood and plastic. To preserve the bit's life and make drilling through metal easier, it should be lubricated during use.
- Drills a range of hole sizes from 4mm to 20mm
- Triangular shank fitting
- Suited to metal, wood and plastic
- Lubrication recommended for metal drilling and longer bit life