HMT VersaDrive 6 - 12mm Bobalt Drill Bit Set 4 Piece

All VersaDrive? Drill Bits can be used in any standard 1/2" drill chuck for cordless or pistol drill use, or adapted for use in a Magnet Drill or Impact Wrench. -Fast drilling with minimal kickback; dual hardened for impact wrench use up to 10mm -Precision Ground Flutes; with deep web design for easy chip clearance. -135 Split Point for easy starting and high accuracy -8% Cobalt for long life and endurance in structural steel and hard metals. -GoldMax Low Friction Titanium Coating to stop heat burn out -High Strength, Non-Slip Shank Design