Music Wire Extension Helical Spring from Mexico
Precision extension spring from high-carbon music wire under 5.1 mm diameter, used in garage door mechanisms. Classified in HTS 7320.20.5020 for helical springs of steel wire with small cross-section, not leaves or coil types. Ideal for tension applications in hardware.
Duty Rate — Mexico → United States
13.9%
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
• Label with exact wire gauge and material grade; music wire is high-tensile steel
• Ensure no pre-assembly with other parts to prevent set classification