Worm Gear Reducer from Mexico
Worm wheel and screw gear combination providing high reduction ratios and self-locking capability for conveyor drives and winches. HTS 8483.40.90.00 covers this orthogonal gearing system excluded from toothed wheel or sprocket categories. Typically bronze worm wheel mated with hardened steel worm.
Duty Rate — Mexico → United States
27.5%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) 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
• Specify worm lead, wheel teeth count, and center distance in documentation to confirm 'other gearing' status
• Include efficiency ratings (>70% typical) and load capacity to support industrial application claims
• Watch for reclassification if imported with mounting base as complete speed changer