Wafer Grinder Spindle Speed Changer from Germany
Manual multi-speed gearbox for semiconductor wafer grinding equipment spindle drive. Allows precise RPM selection for different grind/lap/polish stages. HTS 8483.40.50 as manually operated speed changer.
Duty Rate — Germany → United States
12.5%
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
• Specify surface finish capabilities (Ra < 1 nm) and flatness tolerances
• Include vibration isolation specs for semiconductor cleanroom use
• Verify separability from grinder head to maintain standalone classification