... Round Rod, Tool Bit, Carbide Tip, Ejector Pin, Punch, Mold Etc.2) Super high hardness and precision, extreme smooth coating surface, ... tool life, super high wear resistant and impact-resistant application.5) Work piece material: cast iron, carbon steel, alloy steel, hardened ... are all available. 9) Very advantageous price.Please just feel free to contact us. Any questions are highly welcome! hss rod ...