Rock Tunnel Jumbo Drill
Multi-boom drilling rig for rock tunnel face blasting preparation in mining operations. Classified under HTS 8430.39.00 for other tunneling machinery.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If self-propelled boring for surface construction
Surface tunnelers vs underground mineral focus.
If parts of underground machinery
Drill boom assemblies as replacement parts.
If drill bits sold separately
Tooling chapters cover consumable rock bits.
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Import Tips & Compliance
• Specify drill boom count and rock hardness ratings
• Provide blast pattern engineering for customs review
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