M20 Heavy Hex Structural Bolt from Mexico
A325 equivalent M20 heavy pattern hex bolt for steel bridge and building construction, 20mm diameter. Falls under 7318.15.80.69 for large hex head bolts over 6mm, other than coach types. Requires AISC-compliant testing.
Duty Rate — Mexico → 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-equivalent certifications (e.g
• F3125); structural bolts often face higher scrutiny for strength; declare exact shank diameter on commercial invoice