3/8-16 UNF Alloy Steel Stud from Mexico
High-strength alloy steel stud, 3/8-inch diameter with 16 fine threads per inch, for aerospace and pressure vessel bolting. Falls under 7318.15.50 as iron/steel studs, excluding wire dimensions over 16mm.
Duty Rate — Mexico → United States
10%
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
• Certify alloy composition (e.g
• A193 B7) to avoid general rate assumptions
• Declare if heat-treated; may affect anti-dumping duties on certain origins
• Ensure no cross-section exceeds 16mm per Chapter wire definition