SIMPLY THE BEST LONG-LIFE TWIST DRILL BITS FOR METAL. 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