IRWIN Speedbor Countersink Wood Drill Bit, 4-Piece professional cutting tools shield-shaped strike face

shield-shaped strike face

With an impressive 120 joules of power

Fits all SDS Max rotary hammers

Wide rubber grip wheels provide easy jobsite mobility

Replaceable Grip and Face

IRWIN Speedbor Countersink Wood Drill Bit, 4-Piece professional cutting tools shield-shaped strike faceIRWIN 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