PDC drill bit cutter/PDC cutter for oil bit/PDC cutter for coal bit/PDC cutter for DTH bit 1313,1608,1613,1908,1913,1916,1919 ... CO.,Ltd.2. Application of PDC cutter: Used for oil/gas drill bit, rock drill and coal mining drill bit, also could be used ... become more balance, which ensure the cutter has more stable performanceC.Adopted a new type of carbide, which improved the weld strengthD ...