... , usually; 5. tungsten carbide material Long life,Good Wear Resistance,Excellent toughness,any grade with different grain size are available ... bars, ,balls,burrs ,PCD blades,PCBN blades,ceramic inserts, and customized products etc.In the meantime ,please be ... processing .Recommended for production of cemented carbide tools,micro drilling and micro milling.JGK6X9460.814.9913400Suitable for chilled cast ...