Diatech 127mm x 450mm WET CUT Diamond Core Drill. And Made In Germany. Ideal for wet coring concrete and most stone. Will also cut through reinforced concrete. Turbo’ style laser welded segments give a neat hole and quick drilling performance. Standard 1 1/4UNC female thread to fit suitable adaptors on hand-held drills or rigs. For wet core drilling. Premium laser welded diamond segments. Turbo style segments for faster drilling. 9mm usable depth diamond segments, 10mm total. 1.25UNC female fixing.