Expansion Fixture Base
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 9031904500 | 35.0% | CN | US | Official Doc |
| 9031909160 | 35.0% | CN | US | Official Doc |
| 7326908630 | 87.9% | CN | US | Official Doc |
| 7326908610 | 87.9% | CN | US | Official Doc |
| 8466208035 | 38.7% | CN | US | Official Doc |
| 8466208020 | 38.7% | CN | US | Official Doc |
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AI Analysis
π Expansion Fixture Base (Jigs and Fixtures for Machine Tools)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: What Exactly is an "Expansion Fixture Base"?
An Expansion Fixture Base (or Expansion Fixture) falls under the category of "Work Holders" specifically designed for metalworking machine tools. In the context of international trade and Harmonized System (HS) classification, these are not generic construction bases, but precise mechanical devices used to secure, position, and support workpieces during machining operations (such as milling, turning, or grinding).
Key Distinction: * Jigs and Fixtures (Subheading 8466.20.80.20): Devices that hold the workpiece and/or guide the tool. These are specifically designed for a particular operation. * Work Holders (General): Broad category including chucks, collets, and general holding devices.
β οΈ Critical Classification Point:
- If the item is specifically identified as a "Jig or Fixture" for metalworking machine tools β It is eligible for 0% Additional Duties under current US trade remedies.
- If the item is a generic "Work Holder" (not specifically a jig/fixture) β It may be subject to 28.7% total tariffs.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority)
| HS Code | Product Description | Application Scenario | Duty Status |
|---|---|---|---|
8466.20.80.20 |
Jigs and fixtures for metalworking machine tools | Specific expansion fixtures designed to hold workpieces during milling, turning, or grinding. | β 0% Additional Duties |
8466.20.80.35 |
Other work holders for metalworking machine tools | Generic holding devices, chucks, or bases not strictly classified as "jigs/fixtures" or for non-metalworking tools. | β 28.7% Total Duties |
π Key Insight:
- The term "Expansion Fixture" strongly implies a Jig or Fixture mechanism. Therefore,8466.20.80.20is the primary candidate.
- Misclassification as "Other Work Holders" (8466.20.80.35) results in a significant cost increase due to the 25% Section 301 duty.
π° III. 2026 Latest Tariff Rate Breakdown (Detailed Tax Clauses)
β Applicable Country: United States (US)
β Country of Origin: China (CN)
β Effective Date: Ongoing (Section 301 Tariffs)
π― 1. 8466.20.80.20 ββ Jigs and Fixtures for Metalworking Machine Tools
| Item | Details |
|---|---|
| Base Tariff Rate | 0.0% (Ad Valorem) |
| Section 301 Additional Tariff | 0.0% |
| Total Tariff Rate | 0.0% |
| Tax Detail | "Base Tariff: 0.0%, Additional Tariff: 0.0%" |
| Legal Basis | Subheading 8466.20.80.20 is explicitly exempt from the 25% Section 301 duty imposed on many other metalworking parts and accessories. |
π Explanation:
- This subheading is carved out from the broader "Parts and Accessories of Machine Tools" category that typically faces 25% tariffs.
- Why? Jigs and fixtures are considered critical, specialized tooling that supports manufacturing efficiency, and US trade policy often excludes them to avoid disrupting domestic manufacturing supply chains.
π― 2. 8466.20.80.35 ββ Other Work Holders for Metalworking Machine Tools (Risk Alert)
| Item | Details |
|---|---|
| Base Tariff Rate | 3.7% |
| Section 301 Additional Tariff | 25.0% |
| Total Tariff Rate | 28.7% |
| Tax Detail | "Base Tariff: 3.7%, Additional Tariff: 25.0%" |
| Legal Basis | Subheading 8466.20.80.35 is not exempt from Section 301 duties. |
π Risk Warning:
- If customs authorities determine that your "Expansion Fixture Base" does not meet the technical definition of a "Jig or Fixture" (e.g., if it is too generic or lacks specific guiding functions), it may be reclassified here.
- Cost Impact: An additional 28.7% on the CIF value.
π οΈ IV. Customs Clearance Practical Advice (Avoid Pitfalls)
β 1. Preparation Checklist (Essential Documents)
| Document | Required | Description |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must clearly state: "Jig or Fixture for [Specific Machine Type, e.g., CNC Milling Machine]." |
| β Technical Drawing | βοΈ | Show how the fixture holds/guides the workpiece. Highlight expansion mechanism if applicable. |
| β Product Photos | βοΈ | Clear images of the fixture, label, and interface points. |
| β Commercial Invoice | βοΈ | Description should use the term "Jig or Fixture", not just "Base" or "Holder". |
| β HS Code Pre-consultation | βοΈ | Recommended to confirm 8466.20.80.20 eligibility. |
β 2. Declaration Tips (Golden Rules)
π₯ "Use 'Jig/Fixture', Not 'Holder/Base' to Claim 0%!"
| Scenario | Correct Declaration | Wrong Declaration |
|---|---|---|
| Specialized Expansion Fixture | 8466.20.80.20 - "Jig and Fixture for CNC Machine" |
"Metal Base" or "Work Holder" β Leads to 28.7% |
| Generic Plate for Fixturing | May fall under 8466.20.80.35 |
Mislabeling as "Jig" without function proof |
| Parts for Fixtures | 8466.93.00 (Other parts) |
Misdeclaring as finished fixture |
π Key Advice:
- Ensure the product description explicitly mentions its function as a "Jig or Fixture" for metalworking.
- If the product is merely a "base" for mounting other components, argue that it is an integral part of the fixture system. However, if it is a standalone device that holds the workpiece, classify it as a Jig/Fixture.
β 3. Special Cases & Mitigation
| Case | Handling Strategy |
|---|---|
| Customs Audits | Provide engineering drawings showing the guiding/holding function. Proving it is a "Jig/Fixture" is key to avoiding the 25% tariff. |
| Mixed Shipments | If shipping with other non-exempt parts, ensure the fixture is separately listed in the invoice with its own HS Code. |
| Origin Documentation | Certify Country of Origin as China. The 0% rate is specific to the HS Code classification, not origin, but origin determines applicability of Section 301. |
π V. Global Market Comparison (2026)
| Country/Region | Recommended HS Code | Tariff Rate | Notes |
|---|---|---|---|
| πΊπΈ United States | 8466.20.80.20 |
0% | Exempt from Section 301. Critical to classify correctly. |
| π¨π³ China | 8466.20.80.20 |
~5-7% | Standard import duty for machine tool accessories. |
| πͺπΊ European Union | 8466.20.80 |
0-3% | Generally low tariffs for machinery parts. |
| π―π΅ Japan | 8466.20.80 |
0% | Free tariff for many machine tool accessories. |
π Conclusion:
- US Market: The difference between8466.20.80.20(0%) and8466.20.80.35(28.7%) is massive. Precise classification is essential.
- Other Markets: Tariffs are generally lower, but US importers must be vigilant.
π VI. Common Mistakes & Pitfalls (Lessons Learned)
β Mistake 1: Using the term "Work Holder" or "Base" in the commercial invoice.
π Consequence: Customs may classify under 8466.20.80.35 β 28.7% Duty.
π Fix: Use "Jig and Fixture" in the description.
β Mistake 2: Failing to provide technical drawings proving the "Jig/Fixture" function.
π Consequence: Customs questions the classification β Delays, audits, or reclassification.
π Fix: Submit engineering drawings showing workpiece holding/guiding mechanism.
β Mistake 3: Assuming all "Parts of Machine Tools" are exempt.
π Consequence: Many parts (e.g., tool holders, work holders) are subject to 25% duties. Only specific Jigs and Fixtures (8466.20.80.20) are exempt.
π Fix: Verify the specific subheading.
β Correct Practice:
"CNC Milling Jig and Fixture, Expansion Type, for Workholding, Model XYZ, Made in China"
π― VII. Conclusion: Professional Declaration, Zero Duty Opportunity!
π― Remember the Key:
πΉ "Jig/Fixture = 0% Duty (US)"
πΉ "Work Holder/Base = 28.7% Duty (US)"
πΉ Documentation is King!
π Pro Tip:
If you are importing into the US, ensure your Commercial Invoice and Packing List clearly state "Jig and Fixture". Consider filing an Advance Ruling with US Customs and Border Protection (CBP) if the product's status is ambiguous. This provides legal certainty and prevents post-import audits and penalties.
π£ Immediate Action:
π Contact your customs broker with product drawings.
π Ensure HS Code8466.20.80.20is used on all shipping documents.
π Save 28.7% on every shipment by getting the classification right!
β¨ Precision Classification = Maximum Profit!
πΌ Don't let a wrong HS Code cost you 28.7% of your value!
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About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.