... Tungsten rod, tungsten bar,tungsten electrode is for the application of emission cathode, high-temperature ... , lead-in wire, printer pin, various electrodes and heating devices of quartz furnace, etc.Specifications:Diameter ... For making cathodes, high temperature setting rods, electrodes2) Leads, supports and typing needles3) Electrode of WTh20, WCe20, Pure tungsten for TIG welding Tungsten Rod for ...