A4-80 Stainless Conical Lock Washer M8 from Mexico
Conical spring lock washer in A4-80 marine-grade stainless for superior corrosion resistance. HTS 7318.21.0090 covers this as 'other' non-threaded steel lock washer. Used in marine hardware and outdoor equipment.
Duty Rate — Mexico → United States
55.8%
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 of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Salt spray test results support A4-80 classification
• Mark with grade stamps per ASTM F593 standards
• Bulk imports require lot traceability documentation