Screws, bolts, nuts, coach screws, screw hooks, rivets,cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel

• 钢铁制螺钉,螺栓,螺帽,车用螺钉,螺旋钩,铆钉,横梢,开口梢,垫圈(包括弹簧垫圈)及类似制品