Irwin Tools 1882630 SPEEDBOR Countersink Wood Drill Bit, Number-4, White;
Irwin Tools 1882630 SPEEDBOR Countersink Wood Drill Bit, Number-4, White

IRWIN Wood Countersinks feature a tapered drill and wide flutes that drill fast, clean pilot holes and ensure a tight fit for screws. They have an adjustable four-cutter counter bore attachment that cuts fast and clears chip...

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IRWIN Wood Countersinks feature a tapered drill and wide flutes that drill fast, clean pilot holes and ensure a tight fit for screws. They have an adjustable four-cutter counter bore attachment that cuts fast and clears chips quickly for fast, smooth countersinking applications. The counter bore feature attaches flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. IRWIN SPEEDBOR countersink bits fit all standard 1/4" quick-change chucks, including impact drills.

  • 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
  • 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

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