Wafer Grinder Air Bearing Spindle from Mexico
High-precision air bearing spindle providing vibration-free rotation for wafer grinding wheels. Under HTS 8431.49.10.80 as part of heading 8426 semiconductor wafer grinders.
Duty Rate — Mexico → United States
25%
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
• Specify air pressure requirements and bearing gap; declare maximum RPM; ensure cleanroom compatibility certification