Thin-Section Ball Bearing for Wafer Polishers from Japan
Thin-section ball bearings for wafer lappers and polishers, providing ultra-low profile support for surface flatness in semiconductor fabrication prep. Classified in HTS 8482.10.5068 as other ball bearings not fitting prior subcategories, critical for bringing wafers to dimensional tolerances before device processing. Enables the high-precision polishing required for monocrystalline silicon wafers.
Duty Rate — Japan → United States
34%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide cross-sectional diagrams showing thin design to confirm 'other' status
• Document compatibility with CMP (chemical mechanical polishing) processes
• Avoid bulk packaging; use ESD-safe individual wraps for import inspection