Wafer Lapping Machine Forged Steel Platen from Mexico
Forged steel platen for wafer lappers that achieve flatness tolerances in semiconductor wafer preparation equipment of heading 8426, per statistical note (a)(ii)(C). It holds abrasive slurry during double-sided lapping for device fabrication readiness. Classified under 8431.49.90.81 as a steel forging part.
Duty Rate — Mexico → United States
10%
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
• Declare platen flatness specs (e.g
• <1 micron) to prove semiconductor wafer application
• Avoid surface plating declarations that might reclassify as finished 8483 parts
• Use statistical note citations in entry summary for expedited release