Crystal Boule Grinder Chuck from Canada
Precision vacuum chuck that holds crystal boules during diameter grinding to wafer specifications. Falls under HTS 8486.90.00.00 as part of crystal grinders per statistical note for boule preparation.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Ensure vacuum port specifications match OEM grinders; require surface flatness certification; common error is classifying under general machine chucks 8466