... or pressed; 4. 310mm~330mm, usualy; 5. tungsten carbide material Long life,Good Wear Resistance,Excellent toughness,any grade ... are available We specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, rods,rings,inserts, shims,, wear ... for the overall producing of stamping dies and tools such as red needles,punch,dies and other accessaries . Tungsten carbide ...