DEWALT IMPACT READY DWADTQTR51618 Tap and Drill Bit, 5/16 in Dia, 3-Flute, Spiral Flute, HSS

DeWALT DWADTQTR51618 impact-ready 5/16 in 18 unc drill tap 1/4 in capacity features a 1/4 in hex shank for use in impact drivers. This item allows you to drill, tap and countersink all-in-one step, capable of working with up to 1/4 in thick material capacity. Commonly used by elevator installers, mechanicals, electricians, glaziers.