HTS heading 7318: Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel
Heading 7318 of the US Harmonized Tariff Schedule covers Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 7318 at a glance
- 17 rated tariff lines; 6 duty-free at the general (MFN) rate.
- Ad valorem general rates from 2.8% to 12.5%.
- Section 301 (products of China): 17 of 17 lines on a list in effect (List 3, List 4A).
Goods named in this heading (official line texts): Coach screws, Screw hooks and screw rings, Having shanks or threads with a diameter of less than 6 mm, Having shanks or threads with a diameter of 6 mm or more, Bolts and bolts and their nuts or washers entered or exported in the same shipment, Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap scre…, Studs, Having shanks or threads with a diameter of less th.
Subheadings (6-digit)
- 7318.11: Threaded articles (1 line)
- 7318.12: Threaded articles (1 line)
- 7318.13: Threaded articles (1 line)
- 7318.14: Self-tapping screws (2 lines)
- 7318.15: Other screws and bolts, whether or not with their nuts or washers (5 lines)
- 7318.16: Threaded articles (1 line)
- 7318.19: Threaded articles (1 line)
- 7318.21: Non-threaded articles (1 line)
- 7318.22: Non-threaded articles (1 line)
- 7318.23: Non-threaded articles (1 line)
- 7318.24: Non-threaded articles (1 line)
- 7318.29: Non-threaded articles (1 line)
All tariff lines in heading 7318
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 7318.11.00 | Threaded articles: Coach screws | 12.5% | List 3 +25% | |
| 7318.12.00 | Threaded articles: Other wood screws | 12.5% | List 3 +25% | |
| 7318.13.00 | Threaded articles: Screw hooks and screw rings | 5.7% | List 3 +25% | |
| 7318.14.10 | Having shanks or threads with a diameter of less than 6 mm | 6.2% | List 3 +25% | |
| 7318.14.50 | Having shanks or threads with a diameter of 6 mm or more | 8.6% | List 3 +25% | |
| 7318.15.20 | Bolts and bolts and their nuts or washers entered or exported in the same shipment | Free | List 3 +25% | |
| 7318.15.40 | Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap scre… | Free | List 3 +25% | |
| 7318.15.50 | Other screws and bolts, whether or not with their nuts or washers: Studs | Free | List 3 +25% | |
| 7318.15.60 | Having shanks or threads with a diameter of less than 6 mm | 6.2% | List 3 +25% | |
| 7318.15.80 | Having shanks or threads with a diameter of 6 mm or more | 8.5% | List 3 +25% | |
| 7318.16.00 | Threaded articles: Nuts | Free | List 4A +7.5% | |
| 7318.19.00 | Threaded articles: Other | 5.7% | List 3 +25% | |
| 7318.21.00 | Spring washers and other lock washers | 5.8% | List 3 +25% | |
| 7318.22.00 | Non-threaded articles: Other washers | Free | List 3 +25% | |
| 7318.23.00 | Non-threaded articles: Rivets | Free | List 3 +25% | |
| 7318.24.00 | Non-threaded articles: Cotters and cotter pins | 3.8% | List 3 +25% | |
| 7318.29.00 | Non-threaded articles: Other | 2.8% | List 3 +25% |
All of chapter 73 · Chapter 73 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
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