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 — 60 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 7318 | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel + Ch. 99 | not stated | — |
| 7318.11.00.00 | Coach screws + Ch. 99 | 12.5% | kg |
| 7318.12.00.00 | Other wood screws + Ch. 99 | 12.5% | kg |
| 7318.13.00 | Screw hooks and screw rings + Ch. 99 | 5.7% | — |
| 7318.13.00.30 | Having shanks or threads with a diameter of less than 6 mm + Ch. 99 | 5.7% (inherited from 7318.13.00) | kg |
| 7318.13.00.60 | Having shanks or threads with a diameter of 6 mm or more + Ch. 99 | 5.7% (inherited from 7318.13.00) | kg |
| 7318.14 | Self-tapping screws + Ch. 99 | not stated | — |
| 7318.14.10 | Having shanks or threads with a diameter of less than 6 mm + Ch. 99 | 6.2% | — |
| 7318.14.10.30 | Of stainless steel + Ch. 99 | 6.2% (inherited from 7318.14.10) | kg |
| 7318.14.10.60 | Other + Ch. 99 | 6.2% (inherited from 7318.14.10) | kg |
| 7318.14.50 | Having shanks or threads with a diameter of 6 mm or more + Ch. 99 | 8.6% | — |
| 7318.14.50.20 | Of stainless steel + Ch. 99 | 8.6% (inherited from 7318.14.50) | kg |
| 7318.14.50.80 | Other + Ch. 99 | 8.6% (inherited from 7318.14.50) | kg |
| 7318.15 | Other screws and bolts, whether or not with their nuts or washers + Ch. 99 | not stated | — |
| 7318.15.20 | Bolts and bolts and their nuts or washers entered or exported in the same shipment + Ch. 99 | Free | — |
| 7318.15.20.10 | Having shanks or threads with a diameter of less than 6 mm + Ch. 99 | Free (inherited from 7318.15.20) | kg |
| 7318.15.20.20 | Track bolts + Ch. 99 | Free (inherited from 7318.15.20) | kg |
| 7318.15.20.30 | Structural bolts + Ch. 99 | Free (inherited from 7318.15.20) | kg |
| 7318.15.20.41 | Right-angle anchor bolts + Ch. 99 | Free (inherited from 7318.15.20) | kg |
| 7318.15.20.46 | Other + Ch. 99 | Free (inherited from 7318.15.20) | kg |
| 7318.15.20.51 | Of stainless steel + Ch. 99 | Free (inherited from 7318.15.20) | kg |
| 7318.15.20.55 | Other + Ch. 99 | Free (inherited from 7318.15.20) | kg |
| 7318.15.20.61 | Of stainless steel + Ch. 99 | Free (inherited from 7318.15.20) | kg |
| 7318.15.20.65 | Other + Ch. 99 | Free (inherited from 7318.15.20) | kg |
| 7318.15.20.91 | Of stainless steel + Ch. 99 | Free (inherited from 7318.15.20) | kg |
| 7318.15.20.95 | Other + Ch. 99 | Free (inherited from 7318.15.20) | kg |
| 7318.15.40.00 | Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap screws) + Ch. 99 | Free | kg |
| 7318.15.50 | Studs + Ch. 99 | Free | — |
| 7318.15.50.30 | Of stainless steel + Ch. 99 | Free (inherited from 7318.15.50) | kg |
| 7318.15.50.51 | Of alloy steel + Ch. 99 | Free (inherited from 7318.15.50) | kg |
| 7318.15.50.56 | Other + Ch. 99 | Free (inherited from 7318.15.50) | kg |
| 7318.15.50.90 | Other + Ch. 99 | Free (inherited from 7318.15.50) | kg |
| 7318.15.60 | Having shanks or threads with a diameter of less than 6 mm + Ch. 99 | 6.2% | — |
| 7318.15.60.10 | Of stainless steel + Ch. 99 | 6.2% (inherited from 7318.15.60) | kg |
| 7318.15.60.40 | Other + Ch. 99 | 6.2% (inherited from 7318.15.60) | kg |
| 7318.15.60.70 | Of stainless steel + Ch. 99 | 6.2% (inherited from 7318.15.60) | kg |
| 7318.15.60.80 | Other + Ch. 99 | 6.2% (inherited from 7318.15.60) | kg |
| 7318.15.80 | Having shanks or threads with a diameter of 6 mm or more + Ch. 99 | 8.5% | — |
| 7318.15.80.20 | Set screws + Ch. 99 | 8.5% (inherited from 7318.15.80) | kg |
| 7318.15.80.30 | Of stainless steel + Ch. 99 | 8.5% (inherited from 7318.15.80) | kg |
| 7318.15.80.45 | Other + Ch. 99 | 8.5% (inherited from 7318.15.80) | kg |
| 7318.15.80.55 | Of stainless steel + Ch. 99 | 8.5% (inherited from 7318.15.80) | kg |
| 7318.15.80.66 | Cap screws + Ch. 99 | 8.5% (inherited from 7318.15.80) | kg |
| 7318.15.80.69 | Other + Ch. 99 | 8.5% (inherited from 7318.15.80) | kg |
| 7318.15.80.82 | Of stainless steel + Ch. 99 | 8.5% (inherited from 7318.15.80) | kg |
| 7318.15.80.85 | Other + Ch. 99 | 8.5% (inherited from 7318.15.80) | kg |
| 7318.16.00 | Nuts + Ch. 99 | Free | — |
| 7318.16.00.15 | Non-locking chrome-plated + Ch. 99 | Free (inherited from 7318.16.00) | kg |
| 7318.16.00.30 | Locking + Ch. 99 | Free (inherited from 7318.16.00) | kg |
| 7318.16.00.45 | Other + Ch. 99 | Free (inherited from 7318.16.00) | kg |
| 7318.16.00.60 | Of stainless steel + Ch. 99 | Free (inherited from 7318.16.00) | kg |
| 7318.16.00.85 | Other + Ch. 99 | Free (inherited from 7318.16.00) | kg |
| 7318.19.00.00 | Other + Ch. 99 | 5.7% | kg |
| 7318.21.00 | Spring washers and other lock washers + Ch. 99 | 5.8% | — |
| 7318.21.00.30 | Helical spring lock washers + Ch. 99 | 5.8% (inherited from 7318.21.00) | kg |
| 7318.21.00.90 | Other + Ch. 99 | 5.8% (inherited from 7318.21.00) | kg |
| 7318.22.00.00 | Other washers + Ch. 99 | Free | kg |
| 7318.23.00.00 | Rivets + Ch. 99 | Free | kg |
| 7318.24.00.00 | Cotters and cotter pins + Ch. 99 | 3.8% | kg |
| 7318.29.00.00 | Other + Ch. 99 | 2.8% | kg |
40 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.
Additional duties may apply
60 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.