Description: Drill/Tap Bits complete hole drilling, tapping, and deburring/countersinking in one operation with power drill saves labor and time. Features: • Complete hole drilling, tapping and deburring/countersinking in one operation with power drill saves labor and time • Back tapered beyond tap toprevent thread damage from over drilling • Deburr/countersink also provided on bit beyond back taper • Made from hardened high speed steel vs. carbon steel forlonger life • High quality hex shank to ensure strong connection to drill chuck • Designed to tap up to 10 gauge metal • Quick change adaptor included in both metric and standard kits Specifications: Material High Speed Steel Material thickness Up to 10 GA Material type Mild Steel, Copper, Brass, Aluminum Point Type Split Point With Web Thinning Shank 1/4 " Quick Change Hex Size – 8 Thread Per Inch 32 TPI Thread Type NC |