IRWIN Unibit 5MT Shank Step Drill Bit, Titanium Nitride Coated, 5MM to 35MM 1/2" (16105)
- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
- Single-flute cutting edge for greater control through steps
- 3 faltted shank prevents slipping in drill chuck
- New SpeedPoint tip penetrates faster than previous Unibits and prevents walking