M12 Bronze Lag Screw from Mexico
M12 (12mm shank) hex washer head lag screw from copper-tin bronze alloy, designed for heavy timber construction. Falls under 7415.33.80.10 as a threaded copper screw with shank ≥6mm, tin predominant per note (b).
Duty Rate — Mexico → United States
13%
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
• Provide tin content analysis (>3%, zinc <10%) to confirm bronze vs brass classification
• Use ISF filings early; large fasteners often require ACE truck manifests