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Unibit Hole-Enlarging Stairstep Bit

NEW IRWIN® #20 Unibit Hole-Enlarging Stairstep Bit, 8-Step, 1/2in to 1in dia


  • $26.00


  • Round true hole with every use
  • No need for center punches with non skid tip
  • 3 flatted shanks prevent slippage in the drill chuck
  • Great for sheet metal, metal plates, aluminum, fiberglass, plastics, plexiglass, and wood

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