PRO Hex Adapter for connecting M16 core cutters to drills Designed for connecting M16 core cutters to drills Need to use a M16 core cutter with your drill? The PRO Hex Adapter is a sturdy accessory you can fit into your power tool. It consists of a shank and the thread allowing you to connect M16 core cutters. The adapter sits firmly into the tool holder, ensuring exceptional power transfer from your machine. Fits all M16 threaded core cutters Designed for connecting M16 core cutters to drills Fits all M16 threaded core cutters For efficient drilling with M16 core cutters in concrete, brick, and limestone Highly efficient for construction workers