M18 Heavy Hex Socket Screw from Mexico
Heavy hex head with socket drive option, 18 mm threads for structural steel frameworks. Classified HTS 7318.15.80.45 as other socket screws ≥6 mm. High preload capacity.
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
• Proof load certificates mandatory
• AISC standards referenced
• Galvanizing separate from socket coating