Crystal Boule Grinder Spindle Assembly from China
A high-precision spindle assembly with a diamond-impregnated quill used in crystal grinders (heading 84.26) to shape silicon boules to exact diameters and flats. This part is essential for semiconductor wafer preparation and is classified under tariff item 8431.49.00 as a part suitable for use solely or principally with the machinery of headings 84.25 to 84.30.
Duty Rate — China → Canada
0%
Import Tips
• Classify the spindle assembly under 8431.49.00 only if it is solely or principally used with crystal grinders of heading 84.26
• Provide technical specifications to the CBSA to demonstrate its specific design for semiconductor applications
• Check for any end-use certificates required for semiconductor manufacturing equipment