A490 Alloy Structural Bolts from Mexico
A490 bolts are quenched and tempered alloy steel structural bolts for high-load applications like bridges and towers, featuring diameters from 1/2 inch (12.7 mm) and above, often shipped with heavy hex nuts. Classified under HTS 7318.15.20.30 for their structural designation and shipment with fasteners.
Duty Rate — Mexico → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) 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
• Obtain supplier certifications for alloy composition and heat treatment to avoid misclassification as lower-grade bolts
• Document that items meet AASHTO or ASTM structural standards to support 'structural bolts' declaration
• Beware of quota restrictions on high-strength steel products; pre-validate with CBP rulings