HSS Cobalt Hole Type Countersinks
- Alpen brand hole type 90° countersinks
- Cobalt alloy steel
- Ideal for aluminium
Smooth cutting countersinking and deburring tools with through hole which is ideal for long chip materials such as aluminium. These cutters are also very effective in both soft and hard wood. Spoil is removed through the centre of the cutter preventing damage to the tool. Cobalt content gives extended cutting life.