Spring Washers from Mexico
Split steel spring washers that provide tension to prevent loosening of fasteners. Classified under HTS 7318.29.00.00 as non-threaded 'other' articles of iron or steel, explicitly including spring washers per heading notes.
Duty Rate — Mexico → United States
52.8%
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
• Label as 'spring washers' clearly to distinguish from plain washers under other subheadings
• Provide engineering drawings showing split design for customs verification
• Ensure compliance with ASTM standards if marketed for construction use