1.long life time 2.wear resistance 3.swift delivery 4.quality and quantity assured 5.100 ... indexable inserts shims, drilling bits, drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, wear parts, tungsten carbide cutting cutters etc. We have rich ... , K05, K10, K15, K20,K30, P20, P40,etc. China good quality cemented carbide for rock drilling tools ( SGS approved )