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Silicon Ingot Slicing Saw Wire Tensioner from Mexico

Pneumatic tensioner attachment mounts on multi-wire wafer slicing saws (8429) to maintain diamond wire tension during high-speed slicing of silicon ingots into thousands of wafers simultaneously. 8431.49.9020.

Duty Rate — Mexico → United States

25%

Rate breakdown

9903.82.0925%Except as provided for in headings 9903.82.16 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter

Import Tips

Document wire speed (30-100m/s) and tension force ratings

Include saw model cross-reference for principal use proof

Mechanical tensioners for non-semiconductor saws go to 8434