... pressed; 4. 310mm~330mm, usually; 5. tungsten carbide material Long life,Good Wear Resistance,Excellent toughness,any ... We specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, rods,rings,inserts, shims,, ... wear parts, drawing dies,drilling bits,cold forging dies,bars, ,balls,burrs ,PCD blades,PCBN blades ...