M10 Copper Plain Washer from Mexico
Standard plain round copper washer for M10 metric bolting in plumbing fixtures. Unthreaded status confirms HTS 7415.21.00.00 classification. Pure copper avoids alloy subheadings.
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
• Match DIN/ISO standards in descriptions for acceptance
• Avoid 'shim' terminology; strictly 'washer'
• Batch test for uniformity in large imports