NC Internal Diameter Grinder for Crystal Boule Grinder Shafts from Japan
Specialized CNC machine for precision grinding internal diameters of shafts in crystal boule grinders that shape semiconductor crystal ingots to wafer specifications. Delivers the surface integrity needed for ultra-pure crystal processing environments. Fits HTS 8460.23.0065 as numerically controlled internal cylindrical grinder for semiconductor material processing equipment.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit detailed process flow diagrams showing integration into Czochralski or float zone crystal processing
• Ensure machine safety interlocks comply with OSHA standards for US market entry
• Use ISF filings early for semiconductor equipment to avoid delays in classification rulings