Railway Buffer Spring

Heavy coil spring for railway buffer systems absorbing end-of-car impacts. Classified HTS 8607.99.50.00 as other parts for rolling stock. Ensures train stability during coupling.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.1%+35.0%38.1%
🇲🇽Mexico3.1%+10.0%13.1%
🇨🇦Canada3.1%+10.0%13.1%
🇩🇪Germany3.1%+10.0%13.1%
🇯🇵Japan3.1%+10.0%13.1%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7320.20.50Lower: 21.4% vs 38.1%

If generic helical springs

Non-specialized springs fall under Chapter 73 springs.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Spring rate/load deflection curve documentation required

Material certs (e.g

chrome-silicon steel) for fatigue proof

Coil diameter specs prevent generic spring classification

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