6 Metal hardware being fasteners, namely, connecting pins, screws, nuts, washers, dowels, nails, screw nails, retaining elements for fastening means, namely, compressible spring elements, namely, spring washers, curved washers; retaining elements for fastening means, namely, tight-fit securing elements, namely, washers, crown nuts, clamping pins and split pins of metal; retaining elements for fastening means, namely, jamming securing elements, namely, locknuts, counter-nuts, gripping locknuts, thread rolling screws, thread grooving screws; retaining elements for fastening means, namely, micro-tight locking fastening means, namely, pawl bolts, pawl nuts, pawl washers; retaining elements for fastening means, namely, adhesive fastening means, namely, bolts, nuts and washers, all coated with an adhesive; blind rivet; blind rivet nut; thread inserts, namely, inserts with internal thread; threaded sockets, in particular, sockets with internal thread; sleeves with internal thread; all goods above made of metal or mainly of metal