Crystal Boule Grinder Spindle Assembly from Germany
High-precision spindle with diamond-impregnated quill for crystal grinders (8426.30) that shape silicon boules to exact wafer diameters and flats indicating resistivity. Falls under 8431.49.1010 as part for semiconductor-specific grinding machinery.
Duty Rate — Germany → 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
• Submit cross-section diagrams showing integration with grinder head
• Classify as complete assembly, not individual bearings (8483), when imported together