HTS 7318.15.20.46: US import duty from China
Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, Threaded articles, Other screws and bolts, whether or not with their nuts or washers, Bolts and bolts and their nuts or washers entered or exported in the same shipment, Having shanks or threads with a diameter of <il>6 mm</il> or more, Bent bolts, Other. Here is the full China to US duty stack and what it costs to land.
Duty rate & fees
| Charge | Rate |
|---|---|
| Base duty (MFN) | 0% |
| Section 301 (Lists 1-4) | 25% |
| Total duty (on customs value) | 25% |
| Merchandise Processing Fee (MPF) | 0.3464% (min $33.58, max $651.50) |
| Harbor Maintenance Fee (HMF), ocean | 0.125% |
Worked example: $10,000 shipment
| Customs value | $10,000.00 |
| Base duty (MFN) | $0.00 |
| Section 301 (Lists 1-4) | $2,500.00 |
| Merchandise Processing Fee | $34.64 |
| Harbor Maintenance Fee | $12.50 |
| Total landed cost | $12,547.14 |
Excludes freight and insurance. Run your exact numbers in the calculator →
FAQ
What is the import duty on HTS 7318.15.20.46 from China?
Goods classified under HTS 7318.15.20.46 (Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, Threaded articles, Other screws and bolts, whether or not with their nuts or washers, Bolts and bolts and their nuts or washers entered or exported in the same shipment, Having shanks or threads with a diameter of <il>6 mm</il> or more, Bent bolts, Other) have a duty of 25% of the customs value on the China to US lane (base rate plus any Section 301 tariff), plus the Merchandise Processing Fee (0.3464%, min $33.58, max $651.50) and, for ocean shipments, the Harbor Maintenance Fee (0.125%).
What does HTS code 7318.15.20.46 cover?
Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, Threaded articles, Other screws and bolts, whether or not with their nuts or washers, Bolts and bolts and their nuts or washers entered or exported in the same shipment, Having shanks or threads with a diameter of <il>6 mm</il> or more, Bent bolts, Other. US Customs and Border Protection determines the final classification at entry.
How much does it cost to import HTS 7318.15.20.46 from China?
On a $10,000 shipment, the estimated total landed cost is $12,547, about 25.5% in duty and fees. Use the calculator for your exact value, quantity, and shipping mode.
Related codes in heading 7318
- 7318.11.00.00Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, Threaded articles, Coach screws
- 7318.12.00.00Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, Threaded articles, Other wood screws
- 7318.13.00.30Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, Threaded articles, Screw hooks and screw rings, Having shanks or threads with a diameter of less than <il>6 mm</il>
- 7318.13.00.60Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, Threaded articles, Screw hooks and screw rings, Having shanks or threads with a diameter of <il>6 mm</il> or more
- 7318.14.10.30Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, Threaded articles, Self-tapping screws, Having shanks or threads with a diameter of less than <il>6 mm</il>, Of stainless steel
- 7318.14.10.60Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, Threaded articles, Self-tapping screws, Having shanks or threads with a diameter of less than <il>6 mm</il>, Other
- 7318.14.50.20Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, Threaded articles, Self-tapping screws, Having shanks or threads with a diameter of <il>6 mm</il> or more, Of stainless steel
- 7318.14.50.80Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, Threaded articles, Self-tapping screws, Having shanks or threads with a diameter of <il>6 mm</il> or more, Other
Estimates for planning only. Final classification and duty are determined by U.S. Customs and Border Protection at entry. Rates from USITC HTSUS 2026-06-15-cn-us. The IEEPA reciprocal tariff was struck down (SCOTUS, 2026-02-20) and is excluded. Not legal or customs-broker advice.