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CNC Grinder Workhead from Mexico

Complete workhead assembly for CNC grinding machines of heading 8463 used in wafer lapping/polishing prep. Under HTS 8466.94.85.85 as part principally for 8463 grinders. Provides precise rotational control for semiconductor surface flatness.

Duty Rate — Mexico → United States

14.7%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

Import Tips

• Submit OEM part numbers confirming compatibility with identified 8463 grinder models

• Document hydrostatic bearing technology as evidence of semiconductor precision

• Beware of classification disputes with hydraulic/pneumatic components