1.1A1,Vitrified bond diamond grinding wheel for PCD,PCBN tools,Carbide 2.High abrasive resistance,less ... wheelsVitrified bond diamond grinding wheels : Mainly used for machining tungsten carbide, ceramic, cermet, optical glass, PCD,PCBN,CVD,natural diamond, stones and ... —502033—15Other size available according to customer’s requirement. Cup-shaped, Bowl-shaped, Dish-shaped (6A2 Sizes as example ...