SUPERDRILL offers single roller cone bit/tricone cutters, in both steel tooth and TCI(tungsten carbide insert). Whether you are using a cutter for hole openers, core barrels or other applications of foundation and horizontal directional drilling, hengji can cut the cutters to your required size. Our proprietary design delivers better steering , while a carbide-covered steering plate and additional carbide on the face delivers better grinding capabilities for your loose rock jobs.