Industrial Door Closer Spring from Mexico
High-torque helical torsion spring from 10.2 mm wire for fire-rated industrial roll-up doors. Classified HTS 7320.20.50.45 meeting helical and wire dimension requirements. 1 million cycle rating.
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
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• UL 325 certification required for automatic closing mechanisms
• Torque adjustment range documentation prevents underpowered classification
• Heat-treated wire specs confirm high-cycle durability claims