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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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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