With the Carat EP05142010 diamond core bit, you drill clean and accurate holes through reinforced concrete and hard stone materials. Laser-welded diamond segments deliver dependable cutting performance and lasting durability. The wet drilling design uses continuous water cooling to flush away slurry and keep the bit cool throughout operation, extending segment life. With a 51 mm diameter and a 420 mm working length, creating deep penetrations for plumbing pipes and electrical conduits is straightforward. The standard 1/2"G male thread mounts securely to your compatible wet drilling machine, giving you total control and steady power on every job.