Internal Tooth Copper Washer from Mexico
Copper washer with internal teeth that bite into surfaces for lockwashers in electrical panels. Unthreaded design places it in HTS 7415.21.00.00 for copper spring washers. Chapter notes confirm copper base.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Highlight tooth design in invoices to differentiate from plain washers
• Comply with RoHS for electronics use; declare lead-free copper
• Avoid mixed metal shipments risking commingling errors