Titanium pin(electrode pin,welding pin) for plating, nut,screws,bolt,spring,accessories and so on. Titanium pin(electrode pin,welding pin) used for plating, nut, screws, bolt, spring ... .4um2) Non-defect3) High precision4) Good straightness5) Quality reaches the standard of ASTM B348-93 and ASTM B863-95a Titanium pin for welding