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Irwin® Unibit® 10233 Self-Starting Step Drill Set, 1/4 in Dia Min Hole, 9 Steps, 9 Hole Sizes, 3/8 in Shank

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Irwin_Unibit_10233.jpg

Features

  • Also available with (TiN) coating for longer life
  • Hex shank prevents slipping in drill chuck
  • Laser etched sizes inside flute for easy and permanent hole size identification
  • New speed point tip penetrates faster than previous Unibit® and prevents walking
  • 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
  • Geometry of single flute cutting edge drills true, round holes and provides maximum step control

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Description

Irwin® Unibit®, 10233, Step Drill Set, Self-Starting, Imperial, #3 Letter/Wire, 1/4 in Diameter Minimum Hole, 3/4 in Diameter Maximum Hole, 9 Steps, 1/16 in Step Depth, 9 Hole, 1 Flutes, 1/4 to 3/4 in, 3/8 in Shank, Hex Shank, Self-Starting SpeedPoint®, HSS Cutting Edge, Uncoated, Applicable Materials: Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel