VersaDrive® Cobalt Drills are a premium grade 8% Cobalt drill bit with fully ground flutes, 135° Split point and Titanium coating for faster drilling & reduced wear. Suitable for heavy fabrication use, this Cobalt drill bit can also be used to drill stainless steel, mild steel, cast iron and a wide range of other structural materials. VersaDrive® Drill Bits have a patented non-slip, Hex shank suitable for use in any standard 1/2 drill chuck for cordless or pistol drills or used with a VersaDrive® Rapid Lock adapter for use in a wide range of powertools such as Magnetic Drills. Precision ground flute design provides easy chip clearance 8% Cobalt tool steel for long life & endurance with 135º split point for easy starting & high accuracy Industrial-grade Titanium Nitride coating reduces heat buildup and burn-out Use on Impact to prevent dangerous kickback caused by handheld rotary tools Heavy-duty hex shank design for secure non-slip operation Quality results on stainless steels and Inox - rotary application recommended VersaDrive patented shank and modular adapters provide unbeatable jobsite flexibility Impact-rated due to dual hardening process - allows up to 15X faster speed than traditional methods