Spring Mechanism for Automatic Door Closer from Mexico
High-tension steel coil spring that provides the primary closing force in automatic door closer units. Falls under HTS 8302.60.90.00 as a critical base metal part of door closing hardware for commercial buildings. Adjustable torque rating.
Duty Rate — Mexico → United States
13.1%
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
• Load test certificates demonstrate spring tension specifications for door applications
• Package with closer assembly instructions to establish part-of-a-whole relationship
• Avoid classification as mattress springs (9409.90); emphasize building hardware use