TBM Gauge Cutter Roller from Canada
Precision-engineered roller cutter for the outer gauge of tunnel boring machine cutterheads under heading 8430. Maintains tunnel diameter by cutting peripheral rock. Covered by 8431.49.90.34 for tunneling machinery parts.
Duty Rate — Canada → 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 roller bearing specs and load ratings; ensure markings indicate TBM-specific gauge diameter; file binding ruling if multi-use claimed