Tunnel Boring Machine Cutterhead from Japan
Rotating cutterhead assembly for tunnel boring machines used in rock tunneling for mining access. Classified under HTS 8430.39.0080 as other tunneling machinery for earth and minerals. Features disc cutters for hard rock excavation.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include engineering drawings showing cutter design for rock boring to confirm classification
• Obtain mining safety certifications like MSHA approval for U.S. import clearance
• Avoid pitfalls by declaring as parts only if not integral to complete tunneling machine