Belleville Copper Disc Spring from Mexico
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.
Duty Rate — Mexico → Canada
0%
Import Tips
• 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