Base tariff columnsBase tariff columns
Column rates from the USITC HTS export. The column that applies depends on origin and trade-program eligibility.
| General (MFN) | 8.5% |
|---|---|
| Special | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) |
| Other (Column 2) | 45% |
Official source: USITC Harmonized Tariff Schedule. Duty at entry is determined by US Customs and Border Protection (CBP). AD/CVD watch signals are surfaced, but cash deposit rates and product-specific exclusions still require separate review.
Chapter 99 overlaysChapter 99 overlays
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9903.88.03 section301 +25% activeExcept as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
§ AD/CVD WATCHAD/CVD orders that may apply
These antidumping or countervailing duty orders mention this HTS in their Federal Register notices. The written scope of the order — not the HTS — is dispositive. Verify the actual scope at trade.gov before assuming an order applies to your shipment.
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A-570-932 AD China (CN) Continued 2025-07-22Certain Steel Threaded Rod From the People's Republic of China: Continuation of Antidumping Duty Order
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A-533-887 AD India (IN) Continued 2025-06-26Carbon and Alloy Steel Threaded Rod From India, Taiwan, Thailand, and the People's Republic of China: Continuation of Antidumping Duty Orders and Countervailing Duty Order
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A-549-840 AD Thailand (TH) Continued 2025-06-26Carbon and Alloy Steel Threaded Rod From India, Taiwan, Thailand, and the People's Republic of China: Continuation of Antidumping Duty Orders and Countervailing Duty Order
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A-570-104 AD China (CN) Continued 2025-06-26Carbon and Alloy Steel Threaded Rod From India, Taiwan, Thailand, and the People's Republic of China: Continuation of Antidumping Duty Orders and Countervailing Duty Order
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A-583-865 AD Taiwan (TW) Continued 2025-06-26Carbon and Alloy Steel Threaded Rod From India, Taiwan, Thailand, and the People's Republic of China: Continuation of Antidumping Duty Orders and Countervailing Duty Order
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C-533-888 CVD India (IN) Continued 2025-06-26Carbon and Alloy Steel Threaded Rod From India, Taiwan, Thailand, and the People's Republic of China: Continuation of Antidumping Duty Orders and Countervailing Duty Order
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C-570-105 CVD China (CN) Continued 2025-06-26Carbon and Alloy Steel Threaded Rod From India, Taiwan, Thailand, and the People's Republic of China: Continuation of Antidumping Duty Orders and Countervailing Duty Order
§ DUTY BREAKDOWNDuty breakdown
Duty ledger below is calculated on a $10,000 customs value. Fees, AD/CVD, and exclusions are not included here.
| Duty breakdown | Rate | Amount | Source |
|---|---|---|---|
| Base dutyBase | 8.5% | $850.00 | HTS General rate |
| Chapter 99 section301Chapter 99 | 25% | $2,500.00 | 9903.88.03 |
§ CLASSIFICATION WATCH-OUTSClassification watch-outs
These sibling HTS entries share the same parent but differ in duty rate or Chapter 99 coverage. They are review prompts, not classification recommendations.
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Of stainless steel
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Having shanks or threads with a diameter of less than 6 mm
§ ORIGIN COMPARISONAlternative origin comparison
This compares tariff-only outcomes for the same HTS across origin countries. Freight, AD/CVD rate amounts, exclusions, broker fees, and relocation cost are not included — but active AD/CVD order counts per country are flagged below.
| Origin | Total rate | Duty @ $10,000 | Delta vs baseline | AD/CVD orders |
|---|---|---|---|---|
| China (CN) | 33.5% | $3,350.00 | — | 3 |
| Vietnam (VN) | 8.5% | $850.00 | -$2,500.00 | — |
| Mexico (MX) | 8.5% | $850.00 | -$2,500.00 | — |
| India (IN) | 8.5% | $850.00 | -$2,500.00 | 2 |
| South Korea (KR) | 8.5% | $850.00 | -$2,500.00 | — |
Sample duty by originSample duty by origin
Illustrative calculation at USD 10,000 customs value, standard (non-preferential) claim. Chapter 99 additional duties applied where status is active.
| Origin | Base rate | Chapter 99 | Total rate | Duty (USD) |
|---|---|---|---|---|
| China (CN) | 8.5% | 25% | 33.5% | $3,350.00 |
| Vietnam (VN) | 8.5% | 0% | 8.5% | $850.00 |
| Mexico (MX) | 8.5% | 0% | 8.5% | $850.00 |
| India (IN) | 8.5% | 0% | 8.5% | $850.00 |
| South Korea (KR) | 8.5% | 0% | 8.5% | $850.00 |
§ RELATED ENTRIESStatistical suffixes under HTS 7318.15.80
All 10-digit statistical reporting suffixes under 7318.15.80.
§ RECENT CHANGESRecent Federal Register actions on Chapter 73
Last 3 Federal Register notices that referenced an HTS code under Chapter 73. See the Changes timeline for the full list.
§ FAQFrequently asked
- What is the general MFN duty rate for HTS 7318.15.80?
- The MFN general duty rate for HTS 7318.15.80 (Having shanks or threads with a diameter of 6 mm or more) is 8.5%. This applies to imports from countries with normal trade relations status. For origins like China, additional Section 301, IEEPA, and reciprocal duties may stack on top of this base rate. Final duty is determined at CBP entry.
- Are there active Chapter 99 tariff overlays on HTS 7318.15.80?
- Yes. There are 1 active Chapter 99 rule(s) potentially applicable to HTS 7318.15.80, covering section301. These overlays correspond to policy tools such as Section 301 (China), IEEPA emergency tariffs, and reciprocal duties — they stack on top of the MFN base rate based on country of origin and effective dates. A single shipment can be subject to multiple overlays simultaneously.
- Is HTS 7318.15.80 subject to active AD/CVD orders?
- Yes. 7 active anti-dumping / countervailing duty case(s) reference HTS 7318.15.80 or its sub-codes, with origin countries including CN, IN, TH, TW. AD/CVD scope is producer- and country-specific — coverage depends on the exact product, manufacturer, and origin. Verify against ITC/Commerce scope rulings, and consult a licensed broker if you suspect your goods may fall in scope.
- What's the total US import duty for HTS 7318.15.80 from China today?
- For a $10,000 customs value, the estimated total US import duty on HTS 7318.15.80 from China is approximately $3350.00 (effective rate ~33.50%), combining MFN base rate plus Section 301, IEEPA, and reciprocal overlays. Estimates are derived from public HTS data and Federal Register actions; actual duty is determined by CBP at entry based on classification, valuation, and rules in effect on the entry date.
- When was HTS 7318.15.80 last updated on Duty?
- The base HTS data on this page was last refreshed on April 27, 2026 (USITC release 2026HTSRev6). Chapter 99 overlays, AD/CVD case status, and Federal Register notices are synced daily; effective dates follow the source feeds. If you spot stale data, please report via the contact link in the footer.