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
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) 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