8442.30.01.50/Ingot Profile Grinder/Japan

Ingot Profile Grinder from Japan

Ingot profile grinders create precise cylindrical profiles on semiconductor crystal ingots using CNC-controlled diamond wheels. Ensures uniform wafer thickness across boule. Under HTS 8442.30.0150.

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 CNC control specifications and axis configurations

• Document diameter tolerance capabilities (±2μm)

• Verify taper grinding capabilities for conical sections