| 731519 | Chain and parts thereof, of iron or steel-Parts |
| 731520 | Chain and parts thereof, of iron or steel-Skid chain |
| 731581 | Chain and parts thereof, of iron or steel-Stud-link |
| 731582 | Chain and parts thereof, of iron or steel-Other, welded link |
| 731589 | Chain and parts thereof, of iron or steel-Other |
| 731590 | Chain and parts thereof, of iron or steel-Other parts |
| 731600 | -Anchors, grapnels and parts thereof, of iron or steel |
| 731700 | -Nails, tacks, drawing pins, corrugated nails, staples (other than those of heading 83.05) and similar articles, of iron or steel, whether or not with heads of other material, but excluding such articles with heads of copper |
| 731811 | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel-Coach screws |
| 731812 | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel-Other wood screws |
| 731813 | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel-Screw hooks and screw rings |
| 731814 | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel-Self-tapping screws |
| 731815 | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel-Other screws and bolts, whether or not with their nuts or washers |
| 731816 | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel-Nuts |
| 731819 | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel-Other |
