Crystal Boule Grinder Spindle Assembly from Canada
Rotating spindle assembly for crystal grinders that shape semiconductor boules to exact wafer diameters and flats indicating conductivity. Parts of wafer preparation equipment classified in HTS 8475.90.90.00.
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
• Document diameter precision (e.g
• ±0.01mm) and flat grinding for resistivity marking
• Use HS explanatory notes references for semiconductor statistical provisions