... tungsten carbide products such as tungsten carbide strips, rods,rings,inserts, shims, wear parts, drawing dies,drilling bits,cold ... dies,bars, balls,burrs ,PCD blades,PCBN blades,ceramic inserts, and customized products etc.In the meantime ,please be ... plain steel and cast iron.Other grade of cutting blade may be offered according to customers' requirement. Cemented Carbide Insert Cutting Tools