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
Total length (mm): 81
Center hole angle (): 60
Tip diameter (mm): 12.5
Surface treatment: Non-coating
Blade length (mm): 45
Blade shape: single edge

Specification2
Blade length (mm): 45
Diameter: 40
Number of blades (pieces): 7

Material/Finish
High speed tool steel (HSS)

Set contents/accessories

caution