Angle Gauge Block
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 9017304000 | 40.8% | CN | US | Official Doc |
| 9017308000 | 38.9% | CN | US | Official Doc |
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AI Analysis
π Angle Gauge Block (Precision Angle Measurement)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional-Level Entry Strategy
π I. Product Definition & Classification: What Exactly is an "Angle Gauge Block"?
Angle Gauge Blocks are precision-made blocks of steel or hardened steel, ground to specific angle increments (e.g., 1Β°, 30', 10", etc.). They are used in metrology and toolroom settings to calibrate testing equipment, inspect workpieces, or set up machinery at precise angles.
In international trade, these instruments fall under the broader category of "Instruments for measuring length, for use in the hand" or "Drawing, marking-out or mathematical calculating instruments," specifically categorized under Chapter 90.
β οΈ Critical Distinction:
- Are they standard micrometers/calipers? β No, they are gauge blocks for angles.
- Are they digital electronic devices? β Not necessarily; many are manual mechanical blocks.
- Do they fall under parts/accessories? β No, they are the primary measuring instrument itself.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority)
Based on the provided <DATA>, the classification for Angle Gauge Blocks is strictly limited to two sub-headings under 9017.30 (Micrometers, calipers and gauges).
| HS Code | Product Description | Key Characteristics | Applicability |
|---|---|---|---|
9017.30.40.00 |
Micrometers and calipers | Specifically designated for standard micrometers and calipers. | β Not Applicable unless the device is explicitly a "micrometer" or "caliper" form factor. Angle gauge blocks are typically block-based, not hand-held measuring tools like calipers. |
9017.30.80.00 |
Other | Includes gauges, angle standards, sine bars, and other length-measuring instruments not specified as micrometers/calipers. | β Correct Fit for Angle Gauge Blocks. These are "gauges" for angular measurement, fitting the "Other" category under 9017.30. |
π Why
9017.30.80.00is the Correct Choice:
- Angle gauge blocks are gauges used for precision angular measurement.
- They are not micrometers (which measure linear distance via a screw mechanism) nor calipers (which measure distance between two points).
- Therefore, they fall under "Other" instruments for measuring length/angles.
π° III. 2026 Latest Tariff Rate Details (Comprehensive Breakdown)
β Source Data: Provided
<DATA>JSON
β Tax Structure:
- Basic Tariff (εΊη‘ε ³η¨): 0.0%
- Additional Tariff (ε εΎε ³η¨): 0.0%
- Total Tax (ζ»η¨η): 0.0%
π― 1. 9017.30.80.00 ββ Angle Gauge Blocks & Other Gauges
| Item | Value |
|---|---|
| HS Code | 9017.30.80.00 |
| Description | Other instruments for measuring length (including gauges) |
| Basic Tariff | 0.0% |
| Additional Tariff | 0.0% |
| Total Tariff | 0.0% |
| Tax Detail | εΊη‘ε ³η¨: 0.0%, ε εΎε ³η¨: 0.0% |
| Total Tax Rate | 0.0% |
π Explanation:
- According to the provided data, the tax for this specific HS code is 0.0%.
- This is a zero-tariff classification, which is highly favorable for importers/exporters.
- Note: This rate applies only if the goods are correctly classified under9017.30.80.00. Misclassification as9017.30.40.00also results in 0.0%, but for compliance and audit safety,9017.30.80.00is the technically correct code for gauge blocks.
π οΈ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance)
β 1. Preparation Checklist (Must-Haves)
| Document | Required | Notes |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must clearly state "Angle Gauge Block," material (e.g., hardened steel), and accuracy class (e.g., Grade 0, 1, 2). |
| β Technical Drawings | βοΈ | Show dimensions and angle increments. Helps customs distinguish from "micrometers." |
| β Commercial Invoice | βοΈ | Must clearly describe as "Angle Gauge Blocks for Precision Measurement" β avoid vague terms like "tools" or "parts." |
| β Packing List | βοΈ | Itemize individual blocks and the storage case. |
| β Certificate of Origin | βοΈ | Required for tariff verification. |
| β Calibration Certificate | βοΈ | Proves precision class; helps justify classification as a measuring instrument under Chapter 90. |
β 2. Declaration Tips (Key Mnemonics)
π₯ "Gauge Block, Not Micrometer; Angle Measure, Code 80!"
| Scenario | Correct Declaration | Incorrect Declaration | Consequence |
|---|---|---|---|
| Angle Gauge Block Set | 9017.30.80.00 - "Angle Gauge Blocks" |
9017.30.40.00 - "Micrometers" |
Potential audit flag (wrong sub-category) |
| Digital Angle Finder | 9017.30.80.00 or 9031.80 (if electronic) |
9017.30.40.00 |
Misclassification risk |
| Parts for Gauge Block Set | 9017.90 (Parts & Accessories) |
9017.30.80.00 |
Wrong duty rate if misdeclared as main product |
π Important:
- Do not declare angle gauge blocks as "micrometers" (HS9017.30.40.00) even if the tax rate is the same. Misdescription can lead to compliance penalties or delays.
- Always specify "Gauge Blocks" or "Angle Standards" in the product name.
β 3. Special Cases
| Case | Handling Advice |
|---|---|
| Digital Angle Gauges | If the device is electronic/digital, it may fall under 9031.80 (Other measuring/checking instruments). Consult customs for precise classification if not purely mechanical. |
| Set of Blocks | Declare as a set under 9017.30.80.00. Do not split into individual block declarations. |
| OEM/White Label | Provide supplier invoice and label photo to prove origin and product nature. |
π V. Global Market Comparison (2026 Update)
| Country/Region | Recommended HS Code | Tariff Rate | Notes |
|---|---|---|---|
| π¨π³ China | 9017.30.80.00 |
0.0% | Matches provided data. |
| πΊπΈ USA | 9017.30.80.00 |
Varies | Check USITC for potential Section 301 tariffs (if from China). |
| πͺπΊ EU | 9017.30.80.00 |
0% | Most precision instruments enjoy 0% duty under GATT. |
| π―π΅ Japan | 9017.30.80.00 |
0% | Favorable for precision tools. |
π Conclusion:
- China, EU, and Japan generally offer 0% duty for precision measuring instruments like angle gauge blocks.
- USA: While the base rate may be 0%, additional tariffs (e.g., 25% Section 301) may apply if the goods originate from China. Always verify country-specific surcharges.
π VI. Common Mistakes & Pitfalls (Lessons Learned)
β Mistake 1: Declaring Angle Gauge Blocks as "Parts" of another machine.
π Consequence: Incorrect HS Code (e.g., 8466) β Potential misdeclaration penalty.
β
Fix: Declare as "Measuring Instruments" under 9017.
β Mistake 2: Confusing Angle Gauge Blocks with Protractors.
π Consequence: Protractors may fall under 9017.30.10 (if specified). Gauge blocks are 9017.30.80.
β
Fix: Use precise terminology: "Gauge Blocks" not "Protractors" or "Rulers."
β Mistake 3: Ignoring Material Specification.
π Consequence: Customs may reclassify as "Steel Articles" (7326) if description is vague.
β
Fix: Clearly state "Hardened Steel Precision Gauge Blocks" in the commercial invoice.
π― VII. Conclusion: Precision in Classification, Precision in Savings!
π― Remember the Mantra:
πΉ "Angle Blocks β Micrometers"
πΉ "Use HS 9017.30.80.00 for Gauges"
πΉ "Tax Rate: 0.0% (Base) + 0.0% (Add-on) = 0.0% Total"
πΉ "Clear Description Saves Time and Money!"
π Pro Tip:
- For digital angle finders, verify if they fall under 9031.80 (Other electrical measuring instruments).
- For mechanical angle gauge blocks, stick to 9017.30.80.00.
- Always attach a calibration certificate to prove the item is a precision measuring instrument, not a general tool.
π£ Immediate Action:
π Engage a licensed customs broker to pre-classify your goods.
π Provide detailed product specs (material, accuracy, type).
π Ensure smooth customs clearance with accurate HS Code9017.30.80.00and 0% tariff benefit.
β¨ Professional Classification Starts with Precision!
πΌ Your Compliance, Your Cost Savings, Your Success!
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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.