Semiconductor Wafer Edge Grinder Spindle from Mexico
High-precision spindle attachment that mounts on wafer edge grinders (8429 machinery) to rotate and bevel wafer edges post-slicing for handling safety and yield improvement in semiconductor processing. Classified 8431.49.9020.
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
• Reference wafer dimensions (200mm/300mm) and RPM ratings in commercial docs
• Require OEM compatibility certification for principal use determination
• Watch for reclassification to 8466 if spindle fits generic grinders