Wafer Slicing Saw Spindle Bearing Assembly from Mexico
High-precision bearing assembly for inner diamond wire spindles in wafer slicing saws that cut semiconductor boules into thin wafers. Falls under HTS 8479.90.95.65 as parts of machines mechanically treating silicon crystal ingots.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Supply wire saw specifications showing diamond wire compatibility and kerf loss tolerances
• Include vibration analysis data proving suitability for sub-micron wafer thickness control
• Classify as complete assemblies rather than individual bearings to maintain semiconductor specificity