Sharp Chucks & Machines Ltd manufactures Camlock Type Back Plate. Sharp Chucks & Machines Ltd is an ISO 9001: 2000 certified company offering a wide range of Lathe Chuck & Machine Tool Accessories for various industrial applications. The Camlock Type Back Plate is suitable for use on taper spindle nose and is mainly used as an industrial machine tool accessory. The Camlock Type Back Plate is available in a variety of sizes and specifications to suit all requirements.