prevailing Torque Lock Nut 1/4-20
A prevailing torque lock nut with 1/4-20 threading, made of steel, featuring a deformed thread design for vibration-prone environments. As a threaded nut of iron or steel, it falls 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 |
PGA flags (1)Show detailsHide detailsHCConsumer Products SafetyMay be required
- HC
Consumer Products Safety · May be required · on some HTS numbers under this code
May require HC Consumer Products Safety depending on intended use (HC21) and Canadian product category (HC29, HC30, HC31, HC32, HC33, HC34, HC35, HC36, HC37); or intended use (HC22, HC23, HC24, HC26, HC27) and Canadian product category (HC37), and on the full 10-digit classification number (only some numbers under this code are listed). Matching criteria: Equal To 7318160010; Equal To 7318160090; Equal To 7318160010; Equal To 7318160090. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
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 lock nut is imported with a bolt
Threaded bolts are classified under the sibling item.
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
• The deformed thread design does not affect classification; it remains a nut
• Provide torque retention test data if requested by CBSA
• Ensure the nuts are not for aerospace use, which may require additional certifications
Related Products under Tariff item 7318.16.00
1/2-20 Chrome-Plated Wheel Lugnut
A non-locking chrome-plated steel lugnut with 1/2-20 UNF threading, standard for many American trucks and SUVs. It is a threaded nut of iron or steel, classified under tariff item 7318.16.00 as a nut.
14x1.5 Chrome Lugnut for Toyota Vehicles
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