Product Features & specs :
Irwin Unibit 10221 10 Steps Unibit Fractional Step Drill Bit
- New SpeedPoint tip provides 6X faster initial penetration time than before, and eliminates the need for center punching.
- Single-fluted cutting edge assures true round holes, and allows greater control with less vibration
- Ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, Plexiglas, wood, and laminates