... and so on. Titanium pin(electrode pin,welding pin) used for plating, nut, screws, bolt, spring, ... accessories and others.Specifications:1) Size: 0.5mm diameter (min.)2) ... or Gr1, Gr2, Gr5Applications: 1) Bolt2) Nuts, crews3) Plating4) Spring5) Electrode6) AccessoriesOur attractions:1) Smooth finish Ra >0.4um2 ... ASTM B863-95a Titanium pin for welding