Bevel Gear for Crystal Boule Grinder from Japan
Bevel gear system transferring power at 90-degree angles in crystal grinders that shape semiconductor boules to exact wafer diameters and grind orientation flats. Part of wafer preparation equipment per statistical note (a)(ii)(A).
Duty Rate — Japan → United States
12.8%
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
Import Tips
• Include boule diameter tolerance specs (±0.1mm typical) in technical data sheets
• Certify materials for ultra-cleanroom compatibility (no lubricants with outgassing)