CNC Spindle Cartridge for Wafer Grinding Machines from China
This high-precision spindle cartridge is designed specifically for CNC wafer grinders used in semiconductor wafer preparation, ensuring ultra-flat surfaces for fabrication. It falls under HTS 8466.91.50.00 as a part for machines of heading 8464, which includes grinding machines tailored for semiconductor processing.
Duty Rate — China → United States
35%
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 the part is exclusively for 8464 grinding machines via manufacturer specs to avoid misclassification
• Include detailed technical datasheets and end-use certificates for semiconductor processing in documentation
• Watch for common pitfalls like classifying as general machine tools; specify wafer prep tolerances