A490 Alloy Structural Bolts from Canada
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 — Canada → 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
• 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