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8448.20.50.90/Crystal Boule Grinder/Japan

Crystal Boule Grinder from Japan

Precision grinder for shaping semiconductor crystal boules to exact wafer diameters (150mm-450mm), including flat grinding for conductivity indication. HTS 8448.20.50.90 classification as auxiliary for heading 8444 crystal pullers.

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 boule diameter range and flat positioning specifications in import documentation

• Provide statistical note reference confirming boule preparation function

• Ensure classification distinguishes from general metallurgical grinders

Crystal Boule Grinder from Japan — Import Duty Rate | HTS 8448.20.50.90