Boule Flattener Diamond Dresser Holder from Canada
Carbide holder attachment for mounting industrial diamond dressers on crystal boule flattener/grinders (8429 machinery) to create precise conductivity flats on semiconductor ingots. Ensures orientation accuracy. 8431.49.9020.
Duty Rate — Canada → 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
• Cite flat angle tolerances (e.g
• 0.5°) and dresser size specs
• Include statistical note reference to crystal grinders in paperwork
• Standalone dressers classify under 8207, not attachments