Rebuilt Crystec Crystal Boule Grinder from Japan
Numerically controlled grinder used/rebuilt to shape semiconductor crystal boules to precise diameters and flats indicating conductivity. Under HTS 8461.90.30.60 for used NC metal/cermet removal tools in wafer manufacturing. Prepares boules for slicing in float zone or Czochralski methods.
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%
Import Tips
• Certify flat/grinding accuracy to ±0.001mm with calibration records
• Export rebuild invoices to prove value adjustment for used status