Ceramic Welding Nozzles are best material for WIG/TIG welding, plasma welding and cutting. Techno Cera Welding Nozzles are manufactured using 98% High Alumina. These welding nozzles exhibit high-temperature, high insulation and chemical resistance.Welding Nozzles are manufactured in various thread sizes like 3/8" BSP, 1/2" BSP, 5/8" BSP, 3/4" UNF and 7/16" BSF and in several nozzle lengths and diameters.