Need to drill clean pipe or cable penetrations through masonry without the mess of water cooling? With the Bosch pro diamond core cutter, you tackle dry drilling in brick, limestone, and sandstone with precision. a working length of 350 mm combined with a 32 mm diameter allows you to penetrate deep into walls and floors for installation work. The 3 durable segments with a 7 mm height ensure steady wear resistance and a long service life during demanding jobs. Featuring a g 1/2" female thread connection, it mounts directly onto compatible diamond drilling machines so you can get the job done quickly and cleanly.