Drilling or chamfering for wood plate or thin plastic plate.
Suitable for hand drill， bench drill.
Frequent quenching treatment， high hardness， sharp and smooth blade， magnetic shank.

Specifications:
Drilling or chamfering for metal is not available.
Material: High carbon steel
Shank type: hex shank
Shank diameter: approx 6mm
Surface treatment: Nigrescence
Head diameter: approx 12mm，16mm，19mm
the length ：approx 39mm， 42mm，44mm

Package Included:
3pcs 90° hex shank 5 flute chamfering