The first step drill optimised for use with impact wrenches & impact drivers allowing the user to create holes in seconds. Featuring a spiral flute design with self-starting drill tip, for fast, smooth drilling with a rotary drill or impact wrench and market leading 5mm thick drilling capacity. VersaDrive® Step Drills 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. Market leading 5mm step thickness, spiral flute design and size markings at each step  118º split point angle for easy hole start & pilot 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