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