Crystal Boule Grinder Capstan Drum from Germany
Rotary capstan drum for crystal grinders that shape semiconductor boules to precise wafer diameters and flats indicating conductivity. Under HTS 8431.10.0010 for 8425.19 machinery parts, per statistical note (a)(ii)(A) for crystal grinders.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Document flat grinding specs for resistivity indication to tie to semiconductor statistical note
• Obtain advance ruling if drum adaptable to non-semiconductor uses