M10 Copper Alloy Hex Nut from Mexico
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.
Duty Rate — Mexico → Canada
0%
Import Tips
• 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