With the Carat EB01830010 Brilliant diamond core drill bit, you drill clean and precise holes through reinforced concrete and hard stone. Its laser-welded tt segments deliver immediate grip on hard surfaces, preventing slipping and ensuring an accurate start without cracking the surrounding material. Designed strictly for wet drilling, water cooling keeps the cutting segments protected and flushes slurry away efficiently to extend the bit's service life. Featuring an 18 mm diameter, a 300 mm length, and a standard 1/2" g connection, it is the dependable choice for neat cable, pipe, and anchor penetrations.