Garage Door Extension Helical Spring from Germany
High-tension helical spring made from 6.5 mm steel wire for counterbalancing residential garage doors. It meets HTS 7320.20.50.45 criteria as a helical spring of appropriate wire dimension per Chapter 73 wire notes. Safety cables often paired but classified separately.
Duty Rate — Germany → 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
• Include safety factor calculations and tensile strength certifications for liability protection
• Mark with color coding per industry standards (e.g
• yellow for 6.5mm) for easy identification
• Ship individually wrapped to prevent classification as door hardware sets