Crystal Boule Grinder Spindle from Canada
High-precision spindle assembly for crystal grinders that shape semiconductor boules to exact wafer diameters and grind orientation flats. Critical for diameter control and flat marking per conductivity specs. Part of 8479.89.10 crystal grinders under 8479.90.41.00.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify boule diameter range (150-450mm) and flat grinding specifications,Include SEMI standards compliance certification (M1, M12, etc.),Don't classify as general grinder spindle under 8466.93