HTS heading · chapter 73
7318
Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel
Analysis
Heading 7318 of the 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. It divides into 12 six-digit subheadings and 17 eight-digit tariff lines, with 48 ten-digit statistical suffixes below them.
The spread of 12.5 percentage points between the cheapest and dearest lines makes misclassification expensive here. The highest rate, 12.5%, applies to 7318.11.00 (threaded articles: coach screws) and 7318.12.00 (threaded articles: other wood screws).
6 of its 17 lines with a percentage rate are duty-free at the general rate (35%) and 11 are dutiable, from duty-free up to 12.5%. The median line pays 5.7%.
Its median rate of 5.7% sits at the 94th percentile of the headings in chapter 73.
The largest subheadings are 7318.15 (other screws and bolts, whether or not with their…, 5 lines), 7318.14 (self-tapping screws, 2 lines), 7318.11 (unnamed, 1 line) and 7318.12 (unnamed, 1 line).
Tariff lines
| Line | Description | General rate |
|---|---|---|
| 7318.11.00 | Threaded articles: coach screws | 12.5% |
| 7318.12.00 | Threaded articles: other wood screws | 12.5% |
| 7318.13.00 | Screw hooks and screw rings | 5.7% |
| 7318.14.10 | Having shanks or threads with a diameter of less than 6 mm | 6.2% |
| 7318.14.50 | Having shanks or threads with a diameter of 6 mm or more | 8.6% |
| 7318.15.20 | Bolts and bolts and their nuts or washers entered or exported in the same shipment | Free |
| 7318.15.40 | Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap screws) | Free |
| 7318.15.50 | Other screws and bolts, whether or not with their nuts or washers: studs | Free |
| 7318.15.60 | Having shanks or threads with a diameter of less than 6 mm | 6.2% |
| 7318.15.80 | Having shanks or threads with a diameter of 6 mm or more | 8.5% |
| 7318.16.00 | Threaded articles: nuts | Free |
| 7318.19.00 | Threaded articles: other | 5.7% |
| 7318.21.00 | Spring washers and other lock washers | 5.8% |
| 7318.22.00 | Non-threaded articles: other washers | Free |
| 7318.23.00 | Non-threaded articles: rivets | Free |
| 7318.24.00 | Cotters and cotter pins | 3.8% |
| 7318.29.00 | Non-threaded articles: other | 2.8% |