Irwin 10231 1/8 in - 1/2 in Step Drill Bit
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1/8 in - 1/2 in Step Drill Bit

Mfg.# 10231
Sku# 7925027


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  • Features
  • Specifications
High speed steel bit with single flute cutting edge for greater control through steps; hex shank prevents slipping in drill chuck. SpeedPoint tip penetrates faster and prevents walking in applications such as drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.
  • 1/4 in SHANK
  • Hole Size In: 1/8-1/2
  • # of Hole Steps: 13
  • Diameter:1/8 in