... extruded 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 parts ... cross section of high speed finishing,are processed reamer,aluminum alloy,red brass,bronze,plastic etcJGK5085151.214. ...