Crystal Grinder Flattening Fixture from Canada
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 — Canada → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Specify flat orientation standards (e.g
• ASTM) in docs; prove exclusivity to boule grinders; pitfall: general tooling to 8466