Tunneling & Underground Project
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Threaded drill rods, threaded drill bits, shanks, and connecting sleeves for hydraulic drilling rigs are suitable for the construction of blast holes in tunnels and underground engineering.
Mining Quarrying & Aggregate Construction Drill And Blast Tunneling & Underground Project

Tunnelling and Underground Engineering Tools

Threaded drill rods, threaded drill bits, shanks, and connecting sleeves for hydraulic drilling rigs are suitable for the construction of blast holes in tunnels and underground engineering.

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