Features
Highly accurate and stable chamfering of round holes and mounting surfaces of machine screws and bolts is possible.
It has multiple blades and is suitable for use in a drilling machine.

Use

Specification
Shank diameter (mm): 12
Overall length (mm): 79
Center hole angle (): 60
Tip diameter (mm): 11
Surface treatment: Non-coating
Blade length (mm): 43
Blade shape: single edge

Specification2
Blade length (mm): 43
Diameter: 35
Number of blades (pieces): 7

Material/Finish
High speed tool steel (HSS)

Set contents/accessories

caution