3926.90.90 Other articles of plastics and articles of other materials ---Other
7415 Nails, tacks, drawing pins, staples (other than those of 8305) and similar articles, of copper or of iron or steel with heads of copper; screws, bolts, nuts, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of copper:
7415.3 -Other threaded articles:
7415.33.00 --Screws; bolts and nuts
7415.39.00 --Other