... 45mm; 3. extruded or pressed; 4. 310mm~330mm, usualy; 5. tungsten carbide material Long life,Good Wear Resistance,Excellent toughness,any grade ... size are available We specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, rods,rings,inserts, shims,, wear parts, ... tools such as red needles,punch,dies and other accessaries . Tungsten carbide rod with central hole