The Universal Diamond Dry Core Cutter delivers reliable drilling in masonry. Its segments are laser-welded to ensure durability and enable dry masonry drilling for joint boxes, socket outlets, sanitary delivery pipes, etc. This Dry Core Cutter is intended for such building materials as limestone, brick and masonry. It is suitable for use with diamond drilling tools. The most effective method of creating holes in walls, ideal for drilling in to many types of material such as concrete, brick/blockwork, asphalt etc.