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Irwin® Unibit® 11101 Step Drill Bit, 4 mm Dia Min Hole, 12 mm Dia Max Hole, 9 Steps, HSS, 9 Hole Sizes, 1/4 in Shank

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Features

  • Single flute cutting edge for greater control through steps
  • 3 flatted shank prevents slipping in drill chuck
  • New speed point tip penetrates faster than previous Unibit® and prevents walking
  • Also available with titanium nitride coating for longer life

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Description

Irwin® Unibit® Step Drill Bit, Metric, 4 mm Diameter Minimum Hole, 12 mm Diameter Maximum Hole, 3-1/4 in Overall Length, 9 Steps, 1 mm Step Depth, 9 Hole, 1 Flutes, 10 mm/11 mm/12 mm/4 mm/5 mm/6 mm/7 mm/8 mm/9 mm, 1/4 in Shank, 3-Flat Shank, Self-Starting SpeedPoint® Point, HSS Cutting Edge, HSS, Uncoated, Applicable Materials: Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel