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Aluminum Cotter Pins for Machinery

Split-pin aluminum cotter pins secure bolts in heavy machinery like tractors and engines. Classified under HTS 7616.10.90.90 as cotter pins, which are 'similar articles' of aluminum excluded from heading 8305. Typically made from unalloyed or alloyed aluminum for corrosion resistance.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6%+75.0%81%
🇲🇽Mexico6%+50.0%56%
🇨🇦Canada6%+50.0%56%
🇩🇪Germany6%+50.0%56%
🇯🇵Japan6%+50.0%56%

Alternative Classifications

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

7616.10Same rate: 81%

If specifically nails, tacks or staples

Narrower subheading for basic nail-like fasteners vs. cotter pins.

7326.90.86Lower: 40.4% vs 81%

If steel construction

Iron/steel cotter pins classified under Chapter 73 equivalent.

8431.49.90Lower: 50% vs 81%

If imported as parts of specific machinery like bulldozers

End-use as machinery parts in Chapter 84 overrides generic fastener classification.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Label clearly as 'cotter pins' with dimensions and aluminum content to match subheading

• Include engineering drawings showing use as fasteners, not components

• Avoid misdeclaration as washers, which may shift to different statistical suffixes