| Tariff Classification |
| section 15 | Base metals and articles of base metal |
| chapter 73 | Articles of iron or steel |
| 73.18 | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel: |
| －Threaded articles: |
| 7318.15 | －－Other screws and bolts, whether or not with their nuts or washers: |
| －－－Other |
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