Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers, incl. spring washers, and similar articles, of iron or steel (excl. lag screws, stoppers, plugs and the like, threaded) (HS code(s): 7318); Bolts, screws, studs (ICS code(s): 21.060.10)