IRWIN 11/64-in Woodboring Drill Bit

IRWIN wood countersinks feature a tapered drill and wide flutes that drill fast, clean pilot holes. They have an adjustable four-cutter counter bore attachment that cuts fast.

• Features a tapered drill and wide flutes that drill fast, clean pilot holes
• Adjustable 4-cutter counter bore attaches flats on shank with 2 hex screws for a secure fit, and can be adjusted for controlled pilot hole depth
• Clears chips quickly for fast, smooth countersinking applications
• Fits all standard 1/4-in quick-change chucks, including impact drills