Crystal Boule Grinder from Germany
Precision crystal grinder that shapes semiconductor boules to exact diameters and grinds flats indicating conductivity type for wafer preparation. HTS 8448.20.50 classification as parts/accessories of heading 8444 auxiliary machinery for semiconductor processing. Ensures wafers meet strict dimensional tolerances.
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 function for conductivity indication to prove semiconductor-specific use
• Maintain calibration certificates showing micron-level precision required for wafers