Tunnel Boring Machine Disc Cutter from Japan
Large diameter disc cutter ring with tungsten carbide edges for tunnel boring machines (TBMs) under heading 8430. Used to gouge and crush rock faces in underground tunneling projects. Classified in 8431.49.90.34 for parts of tunneling machinery.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.82.2215%Derivative steel articles the product of Argentina, Ecuador, El Salvador, Guatemala, Japan, the Republic of Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom, or a member nation of the European Union, as provided for in subdivision (c)(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
• Submit detailed CAD drawings showing sole use with TBM cutterheads; declare exact diameter and rock hardness ratings; check for quotas on carbide content