3x12/16/19mm 5 Flute Countersink Drill Bit Set 90° Counter Sink Chamfer

Features:

Drilling or chamfering for wood plate or thin plastic plate.

Suitable for hand drill, bench drill.

Frequent quenching treatment, high hardness, sharp and smooth , magnetic shank.





Specifications:

Drilling or chamfering for metal is not available.

Material: High carbon steel

Shank type: shank

Shank diameter: approx 6mm

Surface treatment: Nigrescence

Head diameter: approx 12mm,16mm,19mm

the length ：approx 39mm, 42mm,44mm



















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