8422.90.91.95/Crystal Grinder Spindle Kit/Japan

Crystal Grinder Spindle Kit from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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