8454.90.00.60/Boule Lapping Machine Workhead/Japan

Boule Lapping Machine Workhead from Japan

Workhead component for lapping machines that flatten semiconductor boules to precise tolerances before wafer slicing. Falls under HTS 8454.90.00.60 as parts of wafer preparation equipment in metallurgy. Achieves critical surface flatness.

Duty Rate — Japan → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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Import Tips

• Document flatness specifications (e.g

• <1 micron) for classification support

• Include pressure and rotation control details

• Avoid generic 'lapping head' terms that trigger machine tool duties