... blank/PDC insert/PDC block/PCD cutter/PDC cutter forOilfield and water well drilling 1308,1313,1608,1613,1919 PDC cutter 1 ... .2. Application of PDC cutter: Used for oil/gas drill bit, rock drill and coal mining drill bit, also could be used ... .Improved the inner structure of the sintered cavity, the pressure and temperature become more balance, which ensure the cutter has more ...