Drills made of carbon steel designed for dry and wet work Additional information:• primarily brazed diamond• carbon steel 45• size: 8 mm• shank: HEX 6. 35 mm• max. 8000 rpm Range of application:• ceramic tiles: all types, hard and soft• porcelain, porcelain stoneware, granite stone tiles, terrazzo• synthetic stone, terracotta, sinter, ceramic products• glass fiber, GRP