Our professional wet diamond core range are used for drilling a variaty of materials on professional drilling rigs. Wet core sizes 10mm - 52mm are supplied with a 1/2" bsp male drive. Cores from 52mm - 212mm are supplied with 1"1/4 UNC female drive. We have a variaty of adaptors to suit all machines and individual core sizes and lengths can be made to order. Our cores are ideal for fast smooth drilling of materails such as: Reinforced Concrete, Flint, Refractory Bricks and Engineering bricks.