Slotted Nut 5/16-18
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.
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 slotted nut is imported with a bolt
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 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
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
A non-locking chrome-plated lugnut sized 14x1.5, commonly used on Toyota sedans and trucks for wheel retention. It is a threaded nut of iron or steel, classified under tariff item 7318.16.00 as a nut.
14x1.5 Locking Acorn Lug Nuts
A conical seat acorn-style locking lug nut, 14x1.5 thread for European sedans, with o-ring seal and nylon locking ring. It is a threaded nut of iron or steel with locking features, classified under tariff item 7318.16.00 as a nut.
17mm Chrome-Plated Open-End Lugnut
A non-locking open-end chrome-plated lugnut for 17mm hex sockets, used on compact cars. It is a threaded nut of iron or steel, classified under tariff item 7318.16.00 as a nut.
Adaptive Fit Locking Lug Nuts
A universal adaptive seat locking lug nut fitting multiple wheel types (conical to mag), with self-adjusting polymer lock and steel body. It is a threaded nut of iron or steel with locking features, classified under tariff item 7318.16.00 as a nut.
Bulk Hex Jam Nut M4
A thin hex jam nut with M4 metric threading, made of steel, designed for locking adjustments in precision assemblies. As a threaded nut of iron or steel, it falls squarely under tariff item 7318.16.00.