Czochralski Crystal Puller Spare Gearbox from Japan
This precision gearbox is a replacement part for Czochralski crystal pullers used in semiconductor wafer manufacturing to grow monocrystalline silicon boules. It falls under HTS 8475.90.90.00 as a part of machines for hot working glass or glassware, specifically crystal growers for semiconductor processing.
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
• Verify the part is exclusively for semiconductor crystal growers to avoid reclassification as general machinery parts
• Provide detailed technical specs and end-use certificates to confirm eligibility under statistical notes for semiconductor equipment