Rosen manufacture M4,M5,M6,M8,M10,M12,M14,7/16 nut electrode cover,nut welding head(nut electrode head),upper electrode,lower electrode,ceramic coated pin,KCF alloy pin.Nut electrode cover use CuCrZr cooper to ensure high quality weld quality and longer weld life.
M4,M5,M6,M8 Nut Electrode Cover & Nut Welding Head Drawing:

M10,M12,7/16 Nut Electrode Cover & Nut Electrode Head Drawing:

Nut Electrode Complete Set:

