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Irwin® Unibit® 10231 Self-Starting Step Drill Bit, 1/8 in Dia Min Hole, 13 Steps, 13 Hole Sizes, 1/4 in Shank

Selected Irwin_Unibit_10231.jpg
Irwin_Unibit_10231.jpg

Features

  • High speed steel fractional
  • Hex shank prevents slipping in drill chuck
  • Single-fluted cutting edge for greater control and rounder holes
  • 3-flatted shank won't slip in chuck
  • Laser marked sizes won't wear off with use
  • New SpeedPoint® tip penetrates faster than previous Unibits and prevents walking
  • SpeedPoint® tip for fast starting
  • Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates

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Description

Irwin® Unibit®, 10231, Step Drill Bit, Self-Starting, Imperial, #1 Letter/Wire, 1/8 in Diameter Minimum Hole, 1/2 in Diameter Maximum Hole, 13 Steps, 1/32 in Step Depth, 13 Hole, 1 Flutes, 1/8 to 1/2 in, 1/4 in Shank, Hex Shank, Self-Starting SpeedPoint®, HSS Cutting Edge, Uncoated, Applicable Materials: Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel