8473.40.41.00/Crystal Boule Grinder Flatting Wheel/China

Crystal Boule Grinder Flatting Wheel from China

Specialized grinding wheel for creating orientation flats on silicon boules to indicate crystal plane and doping type, used in 8472.90.50 crystal grinders. Ensures wafers sliced from boule have correct conductivity markers. Part of HTS 8473.40.41.00.

Duty Rate — China → United States

37%

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

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

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Import Tips

• Document flat positioning specs (e.g

• primary/secondary flats per SEMI standards)

• Include boule diameter range (150-450mm) matching target 8472 machines