... tungsten carbide products such as carbide no standard products, inserts, mining inserts, indexable inserts shims, drilling bits, drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs ... asK01, K05, K10, K15, K20,K30, P20, P40,etc. China good quality cemented carbide for rock drilling tools ( SGS approved )