Wafer Edge Grinder Forged Steel Chuck from Mexico
Forged steel vacuum chuck securing wafers during edge grinding in semiconductor prep equipment of heading 8426. Achieves critical edge profiles for handling. Steel forging in 8431.49.90.81.
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 vacuum port patterns matching wafer standards (SEMI specs)
• Document edge grind tolerance (<1 micron) for classification support
• Avoid finishing that triggers 8483 chuck classification