Designed for fast drilling of granite, marble, slabs and tiles. The segments are manufactured for long life. In addition, these tools offer an added advantage of having diagonal brazed strips on the outer diameter which give excellent side protection and smoother cutting. These core drills, used wet, are excellent for hand held grinders or drill press. Standard body of 2" and threading of 5/8-11. Adaptors available to convert to a shank or other adaptors.