Crystal Boule Grinder Workholding Chuck from Germany
Precision workholding chuck for securing semiconductor crystal boules during diameter grinding to wafer specifications. This mechanical part ensures accurate rotation without electrical components. Under 8487.90.00 for unspecified semiconductor grinding machinery parts.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide engineering drawings showing mechanical-only design
• Confirm compatibility only with boule grinders for semiconductor crystals
• Pitfall: classification as general machine tool part under 8466