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M4 x 20mm Hex Head Cap Screw from Mexico

Hexagonal headed bolt with M4 threading (4mm diameter) and 20mm length, carbon steel construction for general machinery assembly. Classified in 7318.15.60 as an 'other' bolt with shank diameter under 6mm.

Duty Rate — Mexico → United States

56.2%

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 detailed blueprints confirming shank/thread <6mm to avoid reclassification to larger sizes

Label shipments clearly as 'machine screws/bolts' not wood screws to prevent Chapter 73 mix-ups

Check for anti-dumping duties on steel fasteners from certain origins like China