Crystal Grinder Flattening Fixture from Mexico
Custom fixture for grinding flats on semiconductor crystal boules to indicate resistivity and type, statistical note (a)(ii)(A). Part of heading 8430 grinders, thus HTS 8431.49.90.94.
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
• Specify flat orientation standards (e.g
• ASTM) in docs; prove exclusivity to boule grinders; pitfall: general tooling to 8466