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
- The counter bore feature attaches flats on shank with two hex screws for a secure fit, and can be adjusted for controlled pilot hole dept
- Clears chips quickly for fast, smooth countersinking applications
- Fits all standard 1/4 In. quick-change chucks, including impact drills
