M10 Copper Alloy Hex Nut
A heavy-duty M10 hex nut made from copper-nickel-zinc (nickel silver) alloy, designed for high-corrosion shipbuilding applications. It meets the copper-nickel-zinc base alloy definition under subheading note 1(c) and is classified as a copper nut.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the nut is not threaded or has a different fastening design
Non-threaded copper articles fall under other articles of copper.
If imported with matching bolts as a set
Sets of threaded fasteners may be classified together under nails, tacks, and similar articles.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide a certificate of analysis showing nickel content is 5% or more by weight to confirm nickel silver classification
• Ensure the alloy composition is documented for customs verification
• Verify if marine-grade certifications are needed for shipbuilding use
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