Belleville Disc Spring from Mexico
Conical disc-shaped steel spring that stacks for high load capacity, used in bolted joints and safety valves. HTS 7320.90.50 applies to these other iron or steel spring configurations.
Duty Rate — Mexico → United States
52.9%
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
• Specify stackable design and deflection specs to affirm spring status
• Material certs for high-temp alloys (e.g
• 17-7PH) prevent metal scrap misclass