Crystal Boule Holder Fixture from China
A precision fixture that clamps and rotates monocrystalline semiconductor boules during grinding in crystal grinders, part of wafer manufacturing equipment under heading 8464. Classified in HTS 8466.20.80.65 as an other work holder for machines processing semiconductor materials like silicon into wafers. It maintains exact diameter and flat tolerances as per statistical notes.
Duty Rate — China → United States
38.7%
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
• Include technical drawings showing boule-specific design; declare material compatibility for Czochralski or float zone crystals; watch for misclassification as general tooling without semiconductor context