Used Crystal Boule Grinder from Canada
Rebuilt grinder for shaping silicon crystal boules to precise diameters and flats indicating conductivity type. Under HTS 8463.90.0040 for used machine tools working cermets or metal without removal, used in wafer preparation. Ensures boule readiness for slicing.
Duty Rate — Canada → United States
14.4%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide grind wheel specifications and alignment tolerances in import docs
• Label as 'semiconductor processing equipment' but classify per metalworking function
• Inspect for wear on precision spindles common in rebuilt units