Complete drilling, tapping, and deburring/countersinking in a single operation with the electric drill will save time and labor. Back taper beyond the tap to prevent thread damage from overdrilling. Deburring and countersinking also possible beyond the back taper. Made of hardened high-speed steel for longer life than carbon steel. High-quality hex shank ensures a secure connection to the drill chuck. Designed for tapping in metal up to 10 gauge. Quick-change adapter included in both metric and standard kits. Specifications Material: High-speed steel Material thickness: Up to 10 gauge Material type: Mild steel, copper, brass, aluminum Tip type: Slotted tip with web taper Shank: 6 mm quick-change hex adapter Dimensions: #10 Threads per inch: 24 TPI Thread type: NC