Belleville Copper Disc Spring
A conical disc spring washer made of copper, designed for high-load stacking applications. It functions as a spring washer and is unthreaded, placing it under tariff item 7415.21.00. The conical shape is a recognized washer form.
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 |
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 classified as a spring rather than a washer
Helical or disc springs of base metal may fall under heading 7320.
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 product is marketed as a washer or spring washer, not as a spring, to avoid heading 7320 for springs
• Keep documentation showing copper content and unthreaded nature
• Check if the goods are subject to anti-dumping or countervailing measures
Related Products under Tariff item 7415.21.00
1/4 Inch Copper Beveled Washer
A beveled copper washer designed for 1/4-inch bolts, providing angular load distribution in woodworking or decking applications. It is unthreaded and made of pure copper, which places it under tariff item 7415.21.00 as a washer of copper. The beveled shape does not alter its classification as a washer.
Annealed Copper Spring Washer
A soft annealed copper single-coil spring washer used in delicate assemblies where gentle tension is required. The annealing process makes it a spring washer of copper, unthreaded, fitting tariff item 7415.21.00. Its soft temper distinguishes it from harder washers but does not affect classification.
Copper Fender Washer 3/8 Inch
A large outer diameter copper fender washer for 3/8-inch bolts, used in roofing and soft material fastening to spread load. It is unthreaded and made of copper, fitting tariff item 7415.21.00. The fender design is a type of flat washer.
Copper Finishing Washer
A countersunk copper washer designed for flush bolting in applications where aesthetics matter. It is unthreaded and made of copper, placing it under tariff item 7415.21.00. The countersunk shape is a common washer variant.
Copper Marine Grade Washer
A corrosion-resistant pure copper flat washer for marine hardware applications. It is unthreaded and made of copper, fitting tariff item 7415.21.00. The marine-grade designation refers to its corrosion resistance, not a different alloy.
Copper Saddle Washer
A curved saddle-shaped copper washer for pipe clamps and irregular surfaces. It is unthreaded and made of copper, placing it under tariff item 7415.21.00. The saddle shape is a specialized washer form.