Titanium pin,electrode pin,welding pin used for plating, nut, screws, bolt, spring,accessories and others. Titanium pin,electrode pin ... ,welding pin used for plating, nut, screws, bolt, spring, ... or Gr1, Gr2, Gr5Applications: 1) Bolt2) Nuts, crews3) Plating 4) Spring5) Electrode6) AccessoriesOur attractions:1) Smooth finish Ra ...