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IRWIN Countersink Tool Wood Drill Bit
  • Tapered drill with widened flutes for drilling fast, clean pilot holes.
  • Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking.
  • Counterbore 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.