Semiconductor Wafer Slicing Saw Spindle Assembly from Japan
Precision spindle assembly for inner diameter wafer slicing saws used to cut ultra-thin silicon wafers from monocrystalline boules in semiconductor fabrication. Classified under HTS 8466.93.98.85 as a key component for machines of heading 8461 dedicated to semiconductor wafer preparation. Features diamond-impregnated blade mounting for sub-micron accuracy.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include detailed engineering drawings showing semiconductor-specific tolerances; provide end-user statements confirming wafer fabrication use; watch for diamond content declarations affecting classification