With the Carat EB08142010 Brilliant diamond core drill bit, you cut quickly and smoothly through reinforced concrete and hard stone types. Its laser-welded tt segments deliver maximum durability and high resistance against breakage during demanding jobs. Designed for wet drilling with water cooling, it effectively prevents overheating, reduces segment wear, and minimizes dust on the job site. Featuring an 81 mm diameter, a 420 mm working length, and a standard 1/2" g connection, this bit mounts directly onto compatible diamond drilling rigs to create accurate penetrations for pipework, ventilation ducts, and drain pipes.