Irwin 1882792 Countersink Bit Set, Specifications 1/4 in Shank, HSS, Includes 4, 6, 8, 10, 12 14 Countersinks

Description

Tapered drill with widened flutes for drilling fast, clean pilot holes. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth counter sinking. 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 and impact drills. Set includes two depth stops, one #4, one #6, one #8, one #10, one #12 and one #14 bit.