Irwin® Unibit® Fractional Step Drill Bit, 3/16" - 1/2"
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$43.99
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- Bit diameter: 3/16 - 1/2 in by 1/16 in increments
- Shank type: Hexagonal
- Shank diameter: 1/4 in
- Number of flutes: 1
- Single-flute cutting edge for greater control through steps
- Hex shank prevents slipping in drill chuck
- Also available with (TiN) coating for longer life
- New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates