Irwin Right handed Tapered Counterink Bit Set - 4-Pieces - High-Speed Steel

Description

The Irwin wood countersink set is perfects for creating variable-sized countersink holes quickly. With tapered drills and widened flutes, these bits have adjustable four-cutter counter bores that attach to flats on the shank to clear chips quickly and can be adjusted to control the pilot hole depth. Tapered drill with widened flutes for drilling fast, clean pilot holes Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking Counterbore attaches to flats on shank with two hex screws for a secure fit, and can be adjusted for controlled pilot hole depth 1/4-In quick-change shank reduces slipping in standard chucks and is compatible with all 1/4-in quick-change chucks, including impact drills