M10 Copper Alloy Hex Nut

Heavy-duty M10 (10mm hole diameter) hex nut made from copper-nickel-zinc nickel silver alloy, used in high-corrosion shipbuilding. HTS 7415.33.80.10 applies to copper nuts with holes ≥6mm, meeting nickel silver definition in subheading note (c).

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3%+35.0%38%
🇲🇽Mexico3%+10.0%13%
🇨🇦Canada3%+10.0%13%
🇩🇪Germany3%+10.0%13%
🇯🇵Japan3%+10.0%13%

Alternative Classifications

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

7318.16.00Lower: 17.5% vs 38%

If iron/steel construction

Nuts of steel go to 7318; copper-zinc-nickel alloys stay in 7415 per material composition.

7415.33Same rate: 38%

If machine screws under 6mm or spring washers

Subheading splits by size and type; larger shanks/holes stay here, smaller to other.

8482.99Lower: 15.8% vs 38%

If for industrial machinery use only

End-use as machine part may shift to Chapter 84 if not general-purpose fastener.

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Import Tips & Compliance

Document nickel content ≥5% for nickel silver classification; critical for duty suspension programs

Measure internal hole diameter precisely; customs rulers vary—include caliper photos

Avoid bulk packing over 50kg; triggers different statistical reporting and potential exams