31 - 40 of 124
extension drill rod for tunneling
Selling leads
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...rod for mining tunneling Hexagonal Drill Rod Specification: Rod Length:500~6400mm Shank length: H22*108mm Advantages: The tapered drill rod can be ...
2025-08-02 00:14:01
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... heat treatment. It is processed and formed by CNC automation equipment to ensure stable and reliable product quality. The product is widely used ...
2025-08-02 00:14:01
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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 ...
2025-08-02 00:14:01
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... in a normal drill string. Furthermore, since this is a speed rod design it will produce straighter holes and at least 10% higher penetration rate ...
2025-06-21 00:34:42
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Integral Hex Hollow Rock Drill Rod For Quarry Tunnel Mining Integral Drill Rod Integral Drill Rod Product information: The integral drill rod from ...
2025-06-21 00:38:05
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... Drilling Tools with the impact resistance and wear resistance carbide buttons and well forged steel body in our high efficiency automatic ...
2025-08-02 00:14:01
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... Shank size Hex 22 x 108mm, Hex 19mm x 108mm, Hex 25mm x1 59mm Application: Usually integral rod is used for
2025-06-21 00:38:14
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...Drill Rods for Mining Quarring Tunneling Blasting Product Description Drilling precision can be further improved by using this as the first rod in ...
2025-06-21 00:34:42
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... high quality and stability Rock Drilling Tools with the impact resistance and wear resistance carbide buttons and well forged steel body in our ...
2025-06-21 00:34:26
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Extension Thread Drill Rod 3660mm T51 MM / MF Thread Drill Rod Product Description: With rich experience of on cemented carbide manufacturing, ...
2025-06-21 00:34:25
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