6 Molded and formed parts, namely, expanding sleeves for affixing screws, wire rope sockets, gasket rings, sealing caps, suction cups, springs, and cotter pins, the aforesaid parts being of steel, in particular cold rolled strip steel, micro-alloyed steels, slit strips, carbon steels, oxidizing and stainless steels, brass, copper, bronze, nickel, aluminium, iron, molybdenum; the aforesaid parts including being surface treated, in particular cured, carburized, nitro carburized; none of the aforesaid goods being related to heating and cooling, heat exchangers, heat transmission or air conditioning installations