Wafer Grinder Main Drive Forged Steel Flange from Canada
Heavy-duty forged steel flange coupling the main drive spindle in wafer grinding machines for semiconductor processing under heading 8426. Ensures torque transmission for high-speed surface grinding to tight tolerances. 8431.49.90.81 classification for such steel forgings.
Duty Rate — Canada → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%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; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Include torque/load specs proving grinder application in semiconductor wafer flow
• Certify forging to AMS standards for high-purity environments
• Declare as unfinished forging to maintain 8431.49 status vs machined 8483 part