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8463.90.00.40/Rebuilt Crystal Flat Grinder/Japan

Rebuilt Crystal Flat Grinder from Japan

Used machine for grinding orientation flats on silicon boules to denote resistivity and doping type. HTS 8463.90.0040 for rebuilt metal/cermet tools without removal. Key for wafer identification in fabs.

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

• Specify flat length/position tolerances per SEMI standards

• Include rebuild warranty against flat accuracy drift

• Avoid describing as 'lapping' to prevent 8460 shift

Rebuilt Crystal Flat Grinder from Japan — Import Duty Rate | HTS 8463.90.00.40