Castle Nut 7/16-20
A 7/16-20 castle nut made of steel, with drilled holes for safety wiring in applications requiring secure fastening. It is a threaded nut of iron or steel, classified under tariff item 7318.16.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪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 product is a threaded article other than a nut
Other threaded articles of iron or steel are classified separately.
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
• Ensure the castle nut is not part of a larger assembly that could change classification
• Verify the steel grade for any special import requirements
• Include the intended use in documentation for CBSA
Related Products under Tariff item 7318.16.00
Bulk Hex Jam Nut M4
A bulk hex jam nut in M4 size, made of steel, used for locking adjustments in machinery and equipment. It is a threaded nut of iron or steel, falling under tariff item 7318.16.00.
Cap Nut Acorn M12
A decorative M12 acorn cap nut made of steel, with a closed end to cover exposed threads in furniture and machinery. It is a threaded nut of iron or steel, fitting tariff item 7318.16.00.
Grade 8 Hex Nut 3/8-16
A high-strength Grade 8 hex nut in 3/8-16 size, yellow zinc plated, for structural and heavy equipment use. It is a threaded nut of iron or steel, falling under tariff item 7318.16.00.
Heavy Duty Flange Nut 1/2-13
A 1/2-13 UNC heavy-duty flange nut of alloy steel with an integrated washer base for high-torque applications in trucks and equipment. It is a threaded nut of iron or steel, classified under tariff item 7318.16.00.
High Crown Hex Nut M20
An M20 high crown hex nut made of steel, used for high-pressure applications. It is a threaded nut of iron or steel, fitting tariff item 7318.16.00.
M8 Hex Nut
A standard hexagonal nut with M8 internal threading, made from carbon steel, used to secure bolts in machinery and construction. It is a threaded nut of iron or steel, classified under tariff item 7318.16.00.