Copper Alloy Clamshell Hinge Pins from Mexico
Hinge pins from copper alloys joining clamshell bucket halves (8430). Corrosion-resistant for marine clamshells, classified 8431.49.90.39.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) 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
• Hinge geometry photos evidence clamshell exclusivity
• Avoid 'universal hinge' marketing language