Lower Electrode June 4, 2017June 4, 2018 spotwelder ROSEN welding manufacture and supply all kinds of lower electrodes.Offer standard M4,M5,M6,M8,M10,M12 low electrode,also accept customized low electrode according to clients’ requirements. M4 M5 M6 M8 Low Electrode for nut welding M10 M12 Low Electrode for nut welding M4 M5 M6 M8 lower Electrode M10 M12 Low Electrode