Greenlee DTAPM3C Combo Drill & Tap Bit; M3 x 0.5 Drill, 0.25 Inch Quick Change Hex, Metric, Hardened High-Speed Carbon Steel

Detailed Description: Greenlee Combo drill & tap bit made of hardened high-speed steel; carbon steel with metric thread includes 0.250-Inch high quality hex shank to ensure strong connection to drill chuck. It features 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. It is equipped with quick-change adaptor that included in both metric and standard kits, deburr/countersink also provided on bit beyond back taper. It has drill size of M3 x 0.5 and is suitable for use with 10 GA mild steel, copper, brass, aluminum.