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
58.5%
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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide ASTM-equivalent certifications (e.g
• F3125); structural bolts often face higher scrutiny for strength; declare exact shank diameter on commercial invoice