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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify flat/grinding accuracy to ±0.001mm with calibration records
• Export rebuild invoices to prove value adjustment for used status