... anti-wear 5)different sizes oilfield, water well drilling and coal mine, mining PDC for drill bits Features of our PDC cutters:1. ... .Now our cutters are widely used in oilfield and mining, geothermal well drilling, and not only sell well in China, but also ... with you to find the optimum combination of abrasion and impact resistance for your specific drilling application.Impact reasistance as below: ...