Bonnel Type Wire Springs for Box Springs
Hourglass-shaped Bonnel helical springs made from wire under 5.1 mm diameter, used in box spring mattress foundations of heading 9404. They deliver firm foundational support beneath foam layers. These are classified under tariff item 7320.20.00 as helical springs of iron or steel.
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 springs are imported as part of a mattress support
Mattress supports of heading 94.04 may include helical springs.
If the springs are not helical
Other springs of iron or steel are covered by this alternative.
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
• Confirm the springs are made of iron or steel wire and are helical in shape
• If imported as part of a mattress or mattress support, they may be classified with the finished product under heading 9404
• Provide CBSA with wire diameter specifications to confirm classification under 7320.20.00
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