TCT Twist Drill Bit (TiN)

Over 25 holes on 304 stainless steel without cooling

TiN Coating

Increase durability significantly

X type cutting edge

Suitable for multiple material & application

Stainless steel, metal, wood, plastic...etc.
Apply to machine building, bridge building, auto repair, construction,...etc.

*Remark:
The test was run by a professional using drilling machine.
Recommend RPM: 800~1000