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extension drill rod for tunneling
Selling leads
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...Extension Drill Rod For Tunneling Hard Rock Product features: Extension rod, other names are Extension drill steel, Extension drill rod, and ...
2025-06-21 00:34:25
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4270mm T51 Extension Thread Drill Rod For Tunneling Hard Rock Product features: With rich experience of on cemented carbide manufacturing,Minetech ...
2025-06-21 00:34:43
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...Drilling Tool Hexagonal Drill Rod For Tunneling Hexagonal Drill Rod Application: The taper drill rod is widely used in metallurgy mine, geological ...
2025-08-01 00:14:20
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...Drill Rod for 3660mm Extension Drilling Rods Product Description: Extension rod, other names are Extension drill steel, Extension drill rod, and ...
2025-06-21 00:34:34
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..., traffic, tunnel, quarry, national defence stone project etc. The tapered drill rod can be matched with multiple drill bits to drill blast holes ...
2025-08-01 00:14:20
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Drilling Tools T38 3660mm MM/MF Thread/Extension Rods Thread Drill Rod Product Description: Extension rod, other names are Extension drill steel, ...
2025-06-21 00:34:45
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...Tunneling Blasting Mining Machine Parts MF T45 Thread Drill Rod Product features: With rich experience of on cemented carbide manufacturing...
2025-06-21 00:34:23
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...multiple drill bits to drill blast holes with different diameters. The tapered drill rod also has the advantages of no need of scrapping after ...
2025-08-01 00:14:20
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... this as the first rod in a normal drill string. Furthermore, since this is a speed rod design it will produce straighter holes and at least 10% ...
2025-06-21 00:34:36
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Factory Price Taper Drill Rod H22 Hexagon Drill Rod For Tunnel Mine Prodcut information: Tapered drill rod is also called the Hexagonal Drill Rod, is ...
2025-08-01 00:14:20
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