M18 Structural Bolt A325 from Canada
High-strength A325 steel bolt with M18 threads for steel building frameworks, heavy tension connections. Diameter 18 mm exceeds 6 mm threshold. HTS 7318.15.80 covers these other large bolts.
Duty Rate — Canada → United States
18.5%
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 ASTM A325 certification; affects duty but not base HTS
• Declare tension proof load capacity in entry summary
• Ensure no confusion with A490 alloy types requiring special review