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IRWIN

Irwin Speedbor Countersink Wood Drill Bit, #4

Irwin Speedbor Countersink Wood Drill Bit, #4
Irwin Speedbor Countersink Wood Drill Bit, #4
Irwin Speedbor Countersink Wood Drill Bit, #4
Irwin Speedbor Countersink Wood Drill Bit, #4



  • IRWIN Wood Countersinks feature a tapered drill and wide flutes that drill fast, clean pilot holes
  • Adjustable four-cutter counterbore attachment that cuts fast and clears chips quickly
  • The counterbore feature attaches flats on shank with two hex screws for a secure fit
  • Counterbore can be adjusted for controlled pilot hole depth
  • Fits all standard 1/4-In quick-change chucks, including impact drills
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