Garage Door Extension Helical Spring from Mexico
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 — Mexico → United States
53.9%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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