Better PerformanceThe tapered drill bit is made of M2 High Speed Steel which have high toughness, wear resistance, and good cutting retention. The pointed tip and wide flute for drilling fast, clean pilot hole, ensures tight fit for screws
Counter Bore#45 Carbon Steel adjustable four-cutter counter bore, chamfer angle 82 degree enable faster operation and self-clearing drilling on the swarf, getting a nice conical countersink while drilling the pilot hole
AdjustableThe counter-bore feature attaches flats on shank with 2 hex screws for a secure fit and can adjust the overall bit length and thus control the pilot hole depth
SizeThe wood drill bit is equipped with 5 different sizes 7/64', 9/64',11/64', 3/16', 7/32', covers the full range of screw sizes, meet your various needs.
Quick changeThe 1/4' hex shank can be used with power drills and quick-change chucks. Perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber, etc.