Irwin Tools 1882793 SPEEDBOR Countersink Wood Drill Bit, 4-Piece

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Product description

  • Tapered drill with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws
  • Adjustable four-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking
  • Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth
  • 1 4" quick-change shank reduces slipping in standard chucks and is compatible with all 1 4" quick-change chucks, including impact drills
  • Adjustable stop collar attaches to counter bore with two hex screws for a secure fit and can be adjusted for desired counter bore depth

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