Crystal Boule Grinder Chuck Holder from United States
A vacuum chuck holder accessory for crystal grinders under heading 84.65, securing semiconductor boules during diameter and flat grinding to wafer specifications. It features precision alignment for conductivity and resistivity flatness. This holder is a work holder for machines of heading 84.65.
Duty Rate — United States → Canada
0%
Import Tips
• Declare the chuck holder as a work holder for crystal grinding machines under 8466.92.00
• Keep documentation of its principal use with machines of heading 84.65
• Verify if the product qualifies for duty-free treatment under a trade agreement