Chapter 73, Iron and steel articles / Heading 7318
HTS 7318.15.50.56: Screws, bolts, nuts, coach screws, screw hooks,, studs, continuously threaded rod
Schedule text: Other. Classification: 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 › Studs › Other › Continuously threaded rod › Other
General rate of duty
Free
Column 1, USITC schedule
From China, all in
322.17%
Priced live by the Gateway engine
Section 301 China
25%
List 3
Forced labor 301
exempt
9903.05.90
How the rate is built
Each line is a separate legal authority. They stack on the $10,000 customs value unless a carve-out says otherwise.
| Program | Rate | Amount |
|---|---|---|
General rate of duty (Column 1) Official rate: Free 7318.15.50.56 | 0% | $0.00 |
Section 301 China (List 3) | 25% | $2,500.00 |
Section 232 Steel (Derivative) As of April 6, 2026, CBP may assess Section 232 metals duties based on US sales price rather than declared customs value. | 50% | $5,000.00 |
Antidumping / countervailing duty (Steel Threaded Rod (carbon)) AD 206% + CVD 41.17%. Scope is set by Commerce's written product description and rates are exporter-specific, so this is a worst-case ceiling. A-570-932 | 247.17% | $24,717.00 |
Effective duty rate | 322.17% | $32,217.00 |
Checked and not applied
- Section 301 forced labor: Exempt: article is already subject to Section 232 duties (9903.05.90, U.S. note 52)
Stack priced from China on a $10,000 customs value, ocean entry. Other origins carry different programs; the calculator prices any of them.
Related lines
Statistical lines under the same 8-digit heading share one legal rate; the last two digits report statistics.
- 7318.15.50Studs (rate line, Free)
- 7318.15.50.30Of stainless steel
- 7318.15.50.51Of alloy steel
- 7318.15.50.90Other
Questions about this example
- What is HTS code 7318.15.50.56?
- HTS 7318.15.50.56 covers screws, bolts, nuts, coach screws, screw hooks,, studs, continuously threaded rod; the schedule's own line text is "Other". Its full classification path in the Harmonized Tariff Schedule of the United States is: 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 › Studs › Other › Continuously threaded rod › Other. It sits in chapter 73 (Iron and steel articles) under heading 7318.
- What is the general duty rate for HTS 7318.15.50.56?
- The Column 1 general rate of duty is Free. That is the most-favored-nation rate before any Section 301, Section 232, Section 338, Section 201 or antidumping and countervailing action, and before CBP's Merchandise Processing and Harbor Maintenance fees.
- What is the tariff on HTS 7318.15.50.56 from China?
- Priced on $10,000 of goods, the effective duty from China is 322.17%: 0% general rate + 25% Section 301 + 50% Section 232 Steel (Derivative) + 247.17% AD/CVD. Section 301 applies (List 3). Forced-labor duty: Exempt: article is already subject to Section 232 duties (9903.05.90, U.S. note 52).
- Which lines are related to HTS 7318.15.50.56?
- It is a statistical line under the 8-digit rate line 7318.15.50 (Studs), which has 3 other statistical lines. All lines under one 8-digit heading share the same legal duty rate; the tenth digit reports statistics.