Drill clean and accurate holes through concrete and reinforced concrete with the Bosch pro Core Cutter wet diamond core cutter. Featuring 9 laser-welded diamond segments with a 10 mm segment height and a high-grade metal matrix, it delivers exceptional durability and consistent performance during demanding wet drilling. With a 102 mm diameter and a 450 mm working length, you can easily create wall and floor penetrations for ventilation ducts, plumbing pipes, and drainage systems without causing structural cracking. The standard 1 1/4" unc female thread ensures a secure connection to your diamond drilling rig, giving you the reliability and control needed for heavy-duty installation work.