POM Precision Washer from Mexico
Polyoxymethylene (POM/acetal) precision washers for mechanical assemblies requiring tight tolerances. Plastic washer under 3926.90.45 with POM monomer >95%.
Duty Rate — Mexico → United States
13.5%
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
• Dimensional tolerance certificates (±0.01mm)
• Low moisture absorption verification
• Distinguish from metal washers via specific gravity tests