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. VersaDrive TCT Holecutters have a patented non-slip, Hex shank suitable for use in any standard 1/2 in. HMT TCT HoleCutter 2-1/4 x 31mm VersaDrive TCT Holecutters are a high performance solution for cutting larger diameter holes quickly and effectively. reach with 2-1/4 in.