Copper Spring Washers from Mexico

Split-ring copper washers that provide spring-like tension to maintain bolt tension in assemblies. HTS 7415.29.00.00 covers these as unthreaded 'spring washers' of copper. Used in electrical panels and plumbing fixtures for vibration resistance.

Duty Rate — Mexico → United States

13%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Specify 'spring washers' distinctly from plain washers in commercial invoices

Provide evidence of copper purity to prevent Chapter 73 misclassification