Cyclone by DIAMAX - Dry Wet Core Bit, for use on Engineered stone, granite,porcelain, ultra-compact, Our fastest core bit will drill most granite in under 30 seconds with water, Largest inventory available from 1″ to 6″, A better alternative to thin wall core bits, Vacuum-brazed side-protection, Max RPM varies depending on diameter, 3 inches of usable length
