Professional quality core construction plus performance features deliver a smooth drilling experience. 8mm diamond segments with a high concentration of premium grade diamond in the bond. Leading-edge diamond/metal bonding metallurgy for long-lasting core life. Latest’V’ groove segment design enables fast clearing of debris allowing a continuous fast cutting action. Ribbed core body further aids the clearing of waste debris. Aerated core design enhances cooling and extends core life. 1/2in BSP threaded compatible with standard core drilling machines and accessories. In a sturdy aluminium storage case. For more workshop supplies products, please visit our shop and save us to your favourite sellers.