Drilling or chamfering for metal is not available.
Material: High carbon steel
Shank type: Hex Shank
Shank diameter: 6.35mm
Surface treatment: Nigrescence
Head diameter: 12mm,16mm,19mm
Cutting edge is sharp and smooth,high working efficiency.
100% brand new and high quality.
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.