HMT 101030-0210 VersaDrive TCT HoleCutter 21 x 55mm (13/16\") The HMT 101030-0210 has a 21mm (13/16\") diameter and a 55mm depth of cut. VersaDrive TCT Holecutters are a high-performance solution for cutting larger diameter holes quickly and effectively. Premium grade Tungsten carbide teeth provide ultimate cutting performance in a wide range of Structural steels including Stainless Steel and Cast Iron. These are rapidly becoming the go-to, alternative solution for fabricators and steel erectors needing to drill through heavy steel in locations and on projects where a rotary drill is more convenient and possibly safer than a Magnetic drill. VersaDrive TCT Holecutters 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 power tools such as Magnetic Drills. Features: Massive 70mm reach with 55mm depth of cut Premium quality Tungsten Carbide teeth Perfect for drilling heavy steel in remote locations. High strength, non-slip shank design. Use in standard 1/2\" drill chuck or with magnet drill adapter One piece design includes arbor & (replaceable) pilot drill Combine with the multisink tool to broach & countersink in one operation Optimum life and performance when used with rotary pistol drills Good results can be achieved with SDS Drills when used in Rotary Only mode Suitable for use on Stainless Steel Use appropriate lubrication and correct RPM to achieve long tool life Specification: Diameter: 21mm (13/16\")