ALPEN Cobalt Step Drill Bit
4mm to 20mm
These conical stepped drill bits from Alpen are designed for use on sheet metal, for drilling and countersinking in one easy operation. They are suitable for use on materials with a maximum thickness of 4mm to 6mm, dependent on hardness, and they have a reliably durable construction.
Durable
High quality
Designed for drilling and countersinking in one smooth operation
Suitable for materials with a maximum thickness of 4mm to 6mm dependent on hardness
Designed for use on sheet metal
Conical head shape