Silicon Wafer Crystal Puller Spindle Assembly from China
Precision-engineered spindle assembly designed for use in Czochralski crystal pullers under HTS 8465, used to rotate and extract monocrystalline silicon boules during semiconductor wafer production. This part ensures stable growth of high-purity crystals essential for slicing into wafers. Classified under 8466.92.5050 as a specific accessory for machines of heading 8465.
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
• Verify compatibility certification with specific 8465 crystal grower models to avoid misclassification as general machinery parts
• Include detailed technical specs and end-use statements proving semiconductor manufacturing application for duty preferences