Crystal Boule Flat Grinding Roll from Canada
Specialized roll for grinding orientation flats on semiconductor crystal boules to indicate resistivity and conductivity type. Under HTS 8455.30.00.65 as ≤2,268 kg roll for rolling mills in wafer manufacturing equipment. Standard industry practice before slicing.
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
• Include flat position charts (primary/secondary flats) per SEMI standards
• Weight verification essential for subheading
• Avoid general metal grinding classification by specifying boule application