8483.40.70.00/Wafer Grinder Speed Controller/Japan

Wafer Grinder Speed Controller from Japan

Precision mechanical speed changer for controlling rotational speed of wafer grinding/lapping equipment in semiconductor fabrication. Statistical note coverage under HTS 8486.40.70.00 for semiconductor processing machines. Maintains exact RPM for 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%

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Import Tips

• Include semiconductor process certification to access statistical provisions

• Detailed specs showing wafer flatness tolerance requirements essential