8454.30.00.90/Boule Diameter Grinder/Japan

Boule Diameter Grinder from Japan

Automated grinders that shape crystal boules to precise wafer diameters with orientation flats for conductivity indication. HTS 8454.30.00.90 statistical note (a)(ii)(A) specifically covers crystal grinders as metallurgical casting equipment.

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%

Calculate with your customs value Verify classification with AI

Import Tips

• Flat orientation specs (primary/secondary) confirm semiconductor purpose

• CNC programming for boule profiles prevents general grinder classification

• Diamond tooling value must integrate into machine duty calculation