Slotted Nut 5/16-18 from United States
A slotted nut with 5/16-18 threading, made of steel, designed for use with cotter pins to secure machinery components. 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
• The slots for cotter pins do not change the classification; it remains a nut
• Ensure the nut is not part of a larger assembly that could be classified elsewhere
• Provide cotter pin compatibility details if requested