Our laser-welded vacuum brazed core bit is ideal for job sites where water is unavailable. It is designed to work on stone, marble, glass, tile, ceramic tile and more. It offers an excellent cutting speed. You get faster cutting without compromising on longevity. The core bit features laser-welded segments as well as diamond grits vacumm-brazed on the side. You can use it wet or dry. It is compatible with an angle grinder, or a hand drill, or a drilling machine, or a semi-CNC.