Jet Grouting Boring Unit from Japan
High-pressure water jet boring unit that erodes soil while injecting cement grout for ground improvement columns. Falls under HTS 8430.49.8050 as other hydraulic boring machinery for earth.
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%
Import Tips
• Provide jet pressure ratings and nozzle configuration details
• Include grout injection pump specifications and flow rates
• Certify high-pressure hose assemblies for safety compliance