Precision CNC Compressor Housing for Crystal Boule Grinders from Mexico
CNC-machined steel housing for compressors powering pneumatic grinding systems that shape semiconductor crystal boules to exact wafer diameters. Classified HTS 8414.90.41.65 under statistical note (a)(ii)(A) for crystal grinders.
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 CNC machining specs showing tolerances for semiconductor flat-grinding interfaces
• Document pressure ratings specific to boule grinding without contaminating crystal surfaces