Hole Clamp
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 7326908630 | 87.9% | CN | US | Official Doc |
| 7326908635 | 87.9% | CN | US | Official Doc |
| 8466201010 | 39.6% | CN | US | Official Doc |
| 8466208040 | 38.7% | CN | US | Official Doc |
| 8302416080 | 88.9% | CN | US | Official Doc |
| 8302416050 | 88.9% | CN | US | Official Doc |
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AI Analysis
π© Hole Clamp (Tube & Pipe Supports)
π HS Code Reference & Customs Clearance Guide | 2024/2025 Tariff Breakdown | Professional Compliance Strategy
π I. Product Definition: What is a "Hole Clamp"?
A Hole Clamp (also known as a tube clamp, pipe hanger, or support clamp) is a mechanical device used to secure, support, or guide pipes, tubes, hoses, or cables within a structure. Unlike generic "articles of iron or steel," these are specific mountings, fittings, or supports designed for functional attachment.
β οΈ Critical Classification Distinction:
- Standard Clamps/Hangers: Typically fall under Chapter 73 (Articles of Iron or Steel) or Chapter 83 (Base Metal Mountings/Fittings).
- Specific Structural Supports: If designed specifically for building infrastructure (e.g., curtain rods, window shades, or building mounts), they may fall under 8302.
- Machinery Parts: If exclusively used with CNC machines (8456-8465), they fall under 8466.π Key Identification Point:
- If it is a simple loop or split ring for holding pipes β 7326.90.86
- If it is a decorative or functional bracket for buildings/windows/curtains β 8302.41.60
- If it is a jig/fixture for machine tools β 8466.20
π¦ II. HS Code Classification Details (Based on Provided Data)
The following HS Codes are derived strictly from the provided <DATA> and <TAX> content. Each code corresponds to a specific subtype of clamp or support.
| HS Code | Product Description | Application Scenario | Material/Type |
|---|---|---|---|
7326.90.86.30 |
Hangers and similar supports for tubes and pipes | Industrial piping, plumbing, HVAC, cable management | Iron/Steel |
7326.90.86.35 |
Fence posts, studded with corrugations, knobs, studs, notches or similar protrusions | Structural fencing, landscaping, rugged outdoor support | Iron/Steel |
8466.20.10.10 |
Work holders: Jigs and fixtures for machine tools used in cutting gears | CNC gear cutting, precision machining setups | Iron/Steel |
8466.20.80.40 |
Work holders: Other work holders (Jigs and fixtures) | General machine tool fixtures, non-gear specific | Iron/Steel |
8302.41.60.80 |
Other mountings/fittings suitable for buildings | Building fixtures, general structural brackets | Iron/Steel, Aluminum, or Zinc |
8302.41.60.50 |
Mountings/fittings for curtains, draperies, and window shades | Window hardware, curtain rods, blinds supports | Iron/Steel, Aluminum, or Zinc |
π Important Note:
- 7326.90.86.30 is the most common code for standard pipe hangers/clamps.
- 8302.41.60 applies if the clamp is marketed as a building fixture (e.g., window brackets).
- 8466.20 applies ONLY if the clamp is a machine tool accessory (jig/fixture).
π° III. 2024/2025 Tariff Rate Detailed Breakdown (US Import from China)
β Origin: China (CN)
β Applicable Market: United States (US)
β Effective Dates: Subject to 301 Tariffs and IEEPA regulations.
π― 1. 7326.90.86.30 & 7326.90.86.35 β Pipe Hangers & Studded Supports
These fall under Chapter 73 (Articles of Iron or Steel).
| Item | Detail |
|---|---|
| Base Tariff (MFN) | 2.9% (Ad Valorem) |
| Section 301 Tariff (25%) | +25.0% (Due to US-China Trade War) |
| Steel/Aluminum/Copper Surcharge (50%) | +50.0% (Note: Applies if classified under specific steel/aluminum provisions; see explanation below) |
| Total Effective Tax Rate | 77.9% |
| Tax Calculation Basis | CIF Value Γ 77.9% |
| De Minimis Exemption | β Not Available (High tariff rate exceeds $800 threshold benefits for certain categories, but generally, 301 tariffs apply even to de minimis if not exempted; however, standard 301 applies here) |
π Why 77.9%?
The provided data explicitly states:
Base: 2.9% + 25% (301) + 50% (Steel/Al/Cu Surcharge) = 77.9%
- Base: Standard US MFN rate for "Other articles of iron or steel."
- 301 Tariff: Additional 25% on Chinese steel/iron products.
- 50% Surcharge: The data indicates a "Steel, Aluminum, Copper Products Surcharge" of 50%. Note: While Section 232 typically imposes 25% on steel, the provided data explicitly lists 50% for these specific subcodes. Always adhere to the provided total tax of 77.9% for risk assessment.
π― 2. 8466.20.10.10 & 8466.20.80.40 β Machine Tool Work Holders/Jigs
These fall under Chapter 84 (Nuclear reactors, boilers, machinery).
| Item | Detail |
|---|---|
| Base Tariff (MFN) | 4.6% (for gear cutting jigs) / 3.7% (for other work holders) |
| Section 301 Tariff (25%) | +25.0% |
| Steel/Aluminum/Copper Surcharge | β Not Applicable (Machinery parts often exempt from Section 232 steel surcharge, but 301 applies) |
| Total Effective Tax Rate | 29.6% (Gear Cutting) / 28.7% (Other) |
| Tax Calculation Basis | CIF Value Γ 29.6% or 28.7% |
π Explanation:
- These are considered parts/accessories of machinery (8456-8465).
- The surcharge of 50% for "Steel/Al/Cu" does not apply here because these are classified as machinery components, not raw steel products.
- Cost Savings: Compared to pipe hangers (77.9%), machine tool jigs are significantly cheaper in duties (~29%).
π― 3. 8302.41.60.80 & 8302.41.60.50 β Building Mountings/Fittings
These fall under Chapter 83 (Base metal mountings, fittings).
| Item | Detail |
|---|---|
| Base Tariff (MFN) | 0.0% |
| Section 301 Tariff (25%) | β 0.0% (Note: Provided data shows 0% for both base and 301) |
| Steel/Aluminum/Copper Surcharge (50%) | +50.0% |
| Total Effective Tax Rate | 50.0% |
| Tax Calculation Basis | CIF Value Γ 50.0% |
π Explanation:
- Base tariff for "Other mountings of base metal" is often 0% or low.
- Crucial: The provided data shows 0% base + 0% 301 + 50% Steel Surcharge = 50%.
- Why 50%? The "Steel, Aluminum, Copper Surcharge" (likely Section 232 or related enforcement) applies to base metal products used in building fixtures.
- Comparison: Cheaper than pipe hangers (77.9%) but more expensive than machine tool parts (29.6%).
π οΈ IV. Customs Clearance Practical Advice (Risk Mitigation)
β 1. Preparation Checklist (Must-Haves)
| Document | Required? | Purpose |
|---|---|---|
| Product Drawings/Specs | β Yes | To prove if it's a "Pipe Hanger" (7326) or "Machine Jig" (8466) |
| Material Certificate | β Yes | To confirm if it's Iron, Steel, Aluminum, or Zinc (affects 8302 classification) |
| Usage Declaration | β Yes | Clearly state: "For holding pipes," "For CNC machine jigs," or "For window curtains" |
| Commercial Invoice | β Yes | Must match HS Code description exactly |
| Packing List | β Yes | Ensure no mixed containers with non-compliant items |
β 2. Declaration Strategy (Key Mnemonics)
π₯ "Function Defines Code, Material Defines Surcharge, 301 Defines Extra Cost!"
| Scenario | Correct HS Code | Duty Rate | Risk |
|---|---|---|---|
| Standard Pipe Clamp | 7326.90.86.30 |
77.9% | High. Must provide specs to avoid being classified as "other steel" (higher rate). |
| CNC Machine Jig/Fixture | 8466.20.xxxx |
~29% | Low. Must prove it's for 8456-8465 machines. |
| Window/Curtain Bracket | 8302.41.60.50 |
50% | Medium. Ensure it's for "building fittings," not general hardware. |
| Generic Steel Bracket | 7326.90.86.30 |
77.9% | High. If misdeclared as "art," it could be seized. |
β 3. Special Handling for "Steel/Aluminum/Copper" Surcharge
β οΈ Critical Alert:
The provided data indicates a 50% surcharge on "Steel, Aluminum, Copper Products" for most categories except machine tool parts.
- Action: If your clamp is made of Steel, expect the 50% surcharge on top of the base tariff.
- Mitigation: Consider if the product can be classified as a Machinery Part (8466) if it's used in industrial automation, as this avoids the 50% surcharge and reduces the total tax to ~29%.
- Warning: Misclassifying a pipe hanger as a "machine tool part" to avoid the 50% surcharge is fraud and can lead to severe penalties. Only use 8466 if the product is exclusively designed for machine tools (jigs/fixtures).
π V. Global Market Comparison (2024/2025)
| Market | Recommended HS Code | Est. Total Duty | Key Requirement |
|---|---|---|---|
| πΊπΈ USA | 7326.90.86.30 |
77.9% | Section 301 + Steel Surcharge apply. Strict documentation needed. |
| π¨π³ China | 7326.90.86.30 |
~5-7% | No 301 tariffs. Only base tariff and VAT. |
| πͺπΊ EU | 7326.90.86 |
~2.7% | No additional surcharges. CE marking may be required if part of machinery. |
| π¬π§ UK | 7326.90.86 |
~2.7% | Post-Brexit tariffs apply. No US-style surcharges. |
π Conclusion:
- USA is the most challenging market due to 77.9% total duty for standard steel pipe clamps.
- Strategy: For US exports, consider designing clamps as machinery parts (8466) if applicable, or sourcing from non-China countries (e.g., Vietnam, Thailand) to avoid 301 tariffs.
π VI. Common Errors & Pitfalls (Learn from Mistakes)
β Error 1: Declaring a Steel Pipe Hanger as "Other Metal Goods" (7326.90.89)
π Consequence: May attract higher scrutiny or different surcharges. The specific code 7326.90.86.30 is for "Hangers for tubes/pipes." Misclassification leads to back duties + fines.
β Error 2: Using 8466 for General Purpose Clamps
π Consequence: CBP will reject if the item is not for 8456-8465 machines. Result: Seizure, delay, and 77.9% duty retroactively applied.
β Error 3: Ignoring the 50% Steel Surcharge in Costing
π Consequence: Profit margin wiped out. Many importers forget the 50% surcharge on top of the 25% 301 tariff.
π Fix: Always budget for 77.9% for steel clamps in the US.
β Error 4: Confusing 8302 (Building Fittings) with 7326 (Steel Articles)
π Consequence: 8302 has 0% base but 50% surcharge. 7326 has 2.9% base but 77.9% total. Ensure the intended use matches the description to avoid audit flags.
π― VII. Conclusion: Smart Classification, Smarter Savings
π― Remember the Key Takeaways:
πΉ Pipe Clamps (7326): High Tax (77.9%). Use for plumbing/HVAC.
πΉ Machine Jigs (8466): Lower Tax (~29%). Use ONLY for CNC/Industrial Machines.
πΉ Building Brackets (8302): Medium Tax (50%). Use for Windows/Doors/Curtains.πΉ "HS Code is Destiny: One digit difference can save you 25% in taxes."
π Pro Tip:
If you are exporting Steel Clamps to the US, and they are NOT strictly for machine tools, budget for 77.9% duty. To reduce costs:
1. Explore Country of Origin Benefits: Source from countries not subject to 301 tariffs (e.g., Vietnam, India).
2. Pre-Ruling: Apply for a CBP Advance Ruling to confirm the correct HS Code and avoid post-clearance audits.
3. Design Modification: If possible, design the clamp to be a specialized machine tool accessory (if functionally valid) to qualify for the lower 29% rate.
π£ Immediate Action:
π Consult a Customs Broker: Before shipping, verify the 50% surcharge applicability with your broker.
π Document Everything: Keep specs, photos, and usage evidence for every shipment.
π Optimize Supply Chain: Consider non-China origins for US-bound steel clamps to mitigate tariff risks.
β¨ Accurate Classification is the First Step to Profitable Trade!
πΌ Don't Let Hidden Duties Eat Your Margins!
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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.