Crystal Boule Grinder Chuck Holder from China

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 — China → United States

39.7%

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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [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