... edge PDC cutters for oil/gas drill bit,geology exploration,rock drilling,mining drill bit,tools grinding & polishing PDC cutters ... is cylinder, we can also supply the PCD cutters in all kinds of shapes (square, rectangle, ... in grinding and polishingPDC (Polycrystalline Diamond Compact) cutters Specifications0808100410081304130813131608161316161908191319161919Diameter(mm)8.2010.0010.0013.3013.4413 ...