Boat Trailer Winch Spring from Japan
Spiral helical torsion spring of 6.8 mm wire for constant force in boat trailer winches. Meets HTS 7320.20.50.45 helical wire spring criteria. Corrosion-resistant coating for marine environment.
Duty Rate — Japan → 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
• Salt spray testing (ASTM B117) certification for 1000+ hours required
• Specify constant force vs. variable rate to confirm helical classification
• Individual packaging prevents set classification with winch assembly