... of PDC cutter: Used for oil/gas drill bit, rock drill and coal mining drill bit ... , also could be used for diamond tools for cutting, grinding, ... polishing.2 0608,0806,0808,1004,1008,1313,1608,1613,1908,1913,1916,1919 etc standards PDC cutter insert ... structure of the sintered cavity, the pressure and temperature become more balance, which ensure ...