... ,1304,1308,1504,1508,1604,1608,1908The advantages of the new cutter is based on the improvement of the technology, which ... powder is selected in a higher degree. 2. Use a new type of tungsten carbide that different from S-RTC cutters ... . It is very important for the PDC sintering. 5. Use new super heat-resistant metal, to avoid being contaminative during sintering. 6 ...