With the Carat Brilliant EB01215010 diamond core drill bit, you drill clean and precise holes through concrete, masonry, and hard stone. Featuring a 12 mm diameter and an overall length of 150 mm, this full-segment core bit provides an immediate and stable start without wandering across the surface. The laser-welded segment bond delivers dependable strength during heavy-duty drilling tasks. Operating with active water cooling via its standard 1/2"G female thread connection, it effectively prevents thermal damage and prolongs tool life, making it ideal for installing anchors and conduits.