Section 15 Base metals and articles of base metal 74 Copper and articles thereof 74 15 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 Commodity Code Description 74 15 10 Nails and tacks, drawing pins, staples and similar articles 74 15 21 Washers (including spring washers) 74 15 29 Other 74 15 33 Screws; bolts and nuts 74 15 39 Other
