Product: Non-standard PCD Drill BitsMaterial: PCD,Website:http://www.chinabettool.com, Polycrystalline DiamondType: Imperial, Metric, Non-standardProduct Description:Non-standard PCD drill bits are suitable for high precision machining, if you use PCD drill bits, you can use it for a long time.It will improve your processing efficiency, it will take you good surface finish Regarding PCD, Polycrystalline Diamond materials, some are from famous company, and some are from China good supplier, we will choose the suitable product for you.We have good quality control, our product has a good cost performance.