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tunneling thread drill rod
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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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...Thread M/M Thread Drill Rod Product features: For Extension Rod and M/F steel process, the Carburization of heat treatment are used to strengthen ...
2025-06-21 00:34:24
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...Drill Rod Machine Tools Thread Drill Rod Product Description: Extension rod, other names are Extension drill steel, Extension drill rod, and ...
2025-06-21 00:34:20
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... resistance carbide buttons and well forged steel body in our high efficiency automatic production. Body Type: (1) Type: Male-Male Rod, Male-Female ...
2025-06-21 00:34:18
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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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... H25 H35 Drifting Thread Drill Rod Product features: Extension rods are made by hollow drill steels. This hollow hole are usually named flushing ...
2025-06-21 00:34:27
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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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... are used by hand held rock drill in granite and marble quarries, underground mining, for small blasting hole drilling shank H22x108mm, H19x108mm, ...
2025-06-21 00:37:59
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...Drilling Tools Extension RodsThread Drill Rod Product features: Extension rods are made by hollow drill steels. This hollow hole are usually named ...
2025-08-01 00:14:19
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...Drill Rod For Blasting Hole Drilling Rig Hexagon Drill Rod Prodcut information: Tapered Drill rod is also called the Hexagonal Drill Rod,are used ...
2025-08-01 00:14:20
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