Boule Grinder Workhead Assembly from Canada
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 — Canada → United States
10%
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 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