Boule Grinder Workhead Assembly from Japan
Complete workhead with motor, spindle, and stroke mechanism for advancing crystal boules against grinding wheels. Provides micron-level diameter control. Major replacement part for semiconductor grinders in 8442.40.00.00.
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
• Include motor HP rating, stroke length (50-200mm), and feed rates in specs
• Full assembly import preferred over components to establish complete part status
• Calibration certificates required for servo positioning accuracy claims