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
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If iron/steel construction
Nuts of steel go to 7318; copper-zinc-nickel alloys stay in 7415 per material composition.
If machine screws under 6mm or spring washers
Subheading splits by size and type; larger shanks/holes stay here, smaller to other.
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
Related Products under HTS 7415.33.80.10
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