HS 74157 sub-codes
Nails, tacks, drawing pins, staples (other than those of heading|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
BASE METALS AND ARTICLES OF BASE METAL > COPPER AND ARTICLES THEREOF > Nails, tacks, drawing pins, staples (other than those of heading|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