6 Ironmongery, small items of metal hardware, namely, screws, bolts, nuts, plates, spring bolts, flange nuts, thread protection rings, punching nuts, press plates, clamps, cylinder holder clamps, dismounting plates, adaptor rings, adaptor plates, bearing plates, bearing cups, mounting rings, mounting/dismounting sockets, mounting sockets for bushings in the nature of sleeves, mounting rings, holder sockets, hub plates, hub cups, press rings, spacer bolt, press sockets, special bolt nuts, lids, press sockets, press cones, press pipes; articles of non precious metals not included in other classes, namely, press clamps, sockets of metal, carriage beams, press rods, press foot, press axles, hydraulic quick couplings, metal storage tanks, fuel pipes, stand for draining vessels; parts of storage tanks, namely, suction hoses; parts of storage tanks, namely coolant draining spear; ducts made of metal for trunking pipes for liquids; pipes, tubes and hoses, and fittings therefore, including valves, of metal