Irwin® Unibit® Step Drill; 1/4"-1-3/8"

Item # 901-786539ORS  Model # 10235
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$76.99 Total Price
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Step Drill Bit maximum life in tough Steel, 1/4 - 1 3/8 in By 1/8 in.
  • Type: Self starting
  • Bit diameter: 1/4 - 1 3/8 in by 1/8 in increments
  • Shank type: Hexagonal
  • Shank diameter: 7/16 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

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