Marine Grade Nut 316SS 1/2" from United States
A 1/2-inch hex nut made from 316 stainless steel, designed for saltwater and marine environments due to its corrosion resistance. As a threaded nut of iron or steel, it is classified under tariff item 7318.16.00.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Provide a mill certificate for the 316 stainless steel to confirm the alloy composition
• The marine-grade designation does not affect classification
• Ensure the nuts are not part of a larger marine assembly that could be classified elsewhere