</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Precision Diamond Grinding Disc from Japan

Ultra-thin disc of agglomerated natural diamond for grinding thin wafers in electronics production. HTS 6804.21.00 due to diamond composition for semiconductor polishing/cutting. Enables sub-micron flatness tolerances.

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

High-tech goods require export control checks alongside HTS; declare cleanroom compatibility

Use advance rulings for wafer-specific applications to lock classification