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Boule Diameter Grinder Indexing Head from China

Indexing head attachment for grinders that achieve precise boule diameters for standard wafer sizes (e.g., 300mm). Classified HTS 8466.30.60.85 per wafer prep statistical provisions.

Duty Rate — China → United States

40.4%

Rate breakdown

9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Include diameter tolerance data (<0.1mm) for verification

Avoid 8466.30.60.15 for lathe-specific if grinder-principal

Component set declarations need attachment assembly proof