Crystal Boule Grinder Chuck Holder from Canada
Vacuum chuck holder accessory for crystal grinders under heading 8465, secures semiconductor boules during diameter and flat grinding to wafer specifications. Features precision alignment for conductivity/resistivity flat indications. 8466.92.5050 covers this work-holding part for semiconductor material preparation.
Duty Rate — Canada → United States
14.7%
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
• Document vacuum pressure ratings and boule diameter range (150-450mm) for customs verification
• Use HTS statistical note references in entry summary to confirm semiconductor boule processing