Greenlee DTAP1/4-20 Combination Drill/Tap Countersink Drill Bit for up to 10-Gauge Metal, Combination Drill, Tap, and Deburr Bit with Quick Change Hex

Greenlee DTAP1/4-20 Combination Drill/Tap Countersink Drill Bit for up to 10-Gauge Metal, Combination Drill, Tap, and Deburr Bit with Quick Change Hex

1/4-20 NC COMBINATION TAP/DRILL BIT: Makes it quick and easy to complete hole drilling, tapping, deburring, and countersinking in a single operation with a power drill to save time and labor TAPS UP TO 10-GAUGE METAL: Built to tap a variety of metal materials up to 10-gauge including mild steel, copper, brass, and aluminum OPTIMUM PERFORMANCE: Innovative back-tapered beyond tap design prevents thread damage from over-drilling, and the high-quality hex shank ensures a strong connection to the drill chuck QUICK CHANGE ADAPTOR: A quick change adaptor is included in both metric and standard kits to provide a fast and easy way to switch bits HARDENED HIGH-SPEED STEEL: 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