Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel
HTS heading 7318 · chapter 73 · 9 tariff lines · 2 subheadings
Rates below are the general column — the rate for goods from countries with normal trade relations. Compare every line in the heading at once, then open a line for the duty calculator.
Tariff lines in heading 7318
| HTS code | Description | General | Special | Col. 2 |
|---|---|---|---|---|
| 7318.13.00 | Screw hooks and screw rings | 5.7% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |
| 7318.14Self-tapping screws | ||||
| 7318.14.10 | Having shanks or threads with a diameter of less than 6 mm | 6.2% | Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3.1% (JP) | 45% |
| 7318.14.50 | Having shanks or threads with a diameter of 6 mm or more | 8.6% | Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 4.3% (JP) | 45% |
| 7318.15Other screws and bolts, whether or not with their nuts or washers | ||||
| 7318.15.20 | Bolts and bolts and their nuts or washers entered or exported in the same shipment | Free | — | 3.5% |
| 7318.15.50 | Studs | Free | — | 45% |
| 7318.15.60 | Having shanks or threads with a diameter of less than 6 mm | 6.2% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |
| 7318.15.80 | Having shanks or threads with a diameter of 6 mm or more | 8.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% |
| 7318.16.00 | Nuts | Free | — | 0.5% |
| 7318.21.00 | Spring washers and other lock washers | 5.8% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.9% (JP) | 35% |
Pricing the duty
Open the tariff line that matches your goods — each line page has a calculator that applies the exact rate, including specific duties charged per kilogram.
Open the duty calculatorAbout heading 7318
Heading 7318 covers screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel. It splits into 2 six-digit subheadings and 9 US tariff lines, 3 of which are duty-free under the general rate.
Headings are the four-digit level of the Harmonized System — the layer that is identical across all 160-plus countries that use it. The six-digit subheading is also international; the last two digits of each code here are US-specific and do not carry across to another country's tariff.