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Irwin Tools IRWIN Drill Bit Set, Countersink, Black Oxide, 3-Piece (1877720)

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Product description

  • Precision-ground 82 tip for countersinking into most machinable metals, wood or plastic
  • Made from industrial grade high speed steel for increased durability
  • Includes a black oxide finish for added corrosion resistance
  • Five flute design reduces vibration for smoother drilling and extended life
  • 1/4" round shank fits all handheld and stationary drills

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