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8430.39.00/Tunnel Boring Machine Cutterhead/Japan

Tunnel Boring Machine Cutterhead from Japan

Rotary cutting head assembly for tunnel boring machines designed to excavate hard rock in mining tunnels. Classified in HTS 8430.39.00 as other tunneling machinery for minerals and ores.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Classify as complete machinery if functional; parts go under 8430.50

• Include engineering drawings showing rock/mineral application