Boule Slicing Saw Frame Forged Steel Yoke from Mexico
Forged steel yoke forming the tension frame for wire saws slicing semiconductor boules into wafers (statistical note a)(ii)(B). Provides rigidity for sub-micron kerf control. 8431.49.90.81 as part of 8426 equipment.
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
• Include wire tension specs tying to boule slicing precision
• Declare yoke dimensions matching standard boule diameters (200-450mm)
• Use end-user letters from wafer fabs for proof of principal use