Complete hole drilling, tapping, deburring, and countersinking in a single operation with a power drill to save time and labor with the Greenlee DTAP8-32 NC Combination Drill/Tap Bit (catalog number DTAP8-32). Built to tap up to 10-gauge metal including mild steel, copper, brass, and aluminum, this power tool accessory features an innovative back-tapered beyond tap design to prevent thread damage from over-drilling and a high-quality hex shank to ensure a strong connection to the drill chuck. A quick change adaptor is included in both metric and standard kits to provide a fast and easy way to switch bits. Constructed with hardened high-speed steel, this countersink bit delivers superior strength and resistance against abrasion and heat to offer a longer tool life than carbon steel.

Greenlee: Professional. Nothing Less.™
Complete hole drilling, tapping and deburring/countersinking in one operation with power drill saves labor and time. Back tapered beyond tap to prevent thread damage from over-drilling. Deburr/countersink also provided on bit beyond back taper. Made from hardened high-speed steel vs. carbon steel for longer life. High quality hex shank to ensure strong connection to drill chuck. Designed to tap up to 10-gauge metal.