Copper Alloy Lock Spring Assembly
A phosphor bronze spring pack for tensioning lock tumblers and bolts. It is classified under tariff item 8301.60.00 as a specialized copper alloy part for base metal locks, fatigue-resistant for high-cycle operations.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the springs are sold separately as general-purpose springs
General-purpose base metal springs are classified under heading 73.20.
If the spring assembly is sold with a complete lock
Complete locks are classified under the main lock headings.
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 spring assembly is made of a copper alloy and is a part of a lock, not a standalone spring
• The springs must be designed for use in locks to qualify under this tariff item
• Declare the product as a part of a base metal lock to avoid misclassification
Related Products under Tariff item 8301.60.00
Aluminum Bike Lock Frame
A lightweight aluminum frame that houses cables or shackles in bicycle U-locks. It is a part of padlocks or locks of base metal, falling under tariff item 8301.60.00.
Base Metal Lock Key Blank
Uncut steel or brass key blanks shaped for duplication into specific lock keys. These are parts of base metal locks and keys, falling under tariff item 8301.60.00 as parts.
Brass Cabinet Lock Cam
A rotating brass cam that engages the cabinet frame in small cam locks, designed for drawers and lockers. It is classified under tariff item 8301.60.00 as a part of key-operated locks of base metal.
Brass Combination Lock Dial Ring
A circular brass dial ring with engraved numbers for mechanical combination padlocks. It is classified under tariff item 8301.60.00 as a part of combination-operated locks of base metal, essential to their operation.
Brass Cylinder Lock Core
The rotating brass plug inside a pin tumbler lock that accepts the key and disengages the locking mechanism. This is a base metal part integral to key-operated locks, classified under tariff item 8301.60.00.
Brass Deadbolt Lock Mechanism
A brass deadbolt throw assembly including the bolt and strike plate components, made of copper alloy for door locks. It is classified under tariff item 8301.60.00 as a part of key-operated locks of base metal, providing extended security throw for commercial doors.