Crystal Grinder Spindle Kit from Mexico
Precision spindle replacement kit for crystal grinders that shape semiconductor boules to exact wafer diameters and flats indicating conductivity. HTS 8422.90.91.95 covers this as parts of wafer preparation equipment in semiconductor statistical provisions. Critical for maintaining boule precision before slicing.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include grind tolerance specs (e.g
• <1 micron) in invoices; declare as semiconductor-specific to avoid general machinery parts duty; test for vibration standards