391 - 400 of 499
tunnelling threaded button bits
Selling leads
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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 ...
2025-07-14 00:17:35
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... bit diameter 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm Length range 400mm - 7000mm Shank ...
2025-06-21 00:38:14
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... hole, used for transmitting water or air during drilling.And the threads can be used for connecting couplings, shanks, couplings or bits. Thread ...
2025-07-14 00:17:34
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3700mm T38-H35-R32 MF Extension Drill Rod For Tunneling Hard Rock Product features: Extension rod, other names are Extension drill steel, Extension ...
2025-06-21 00:34:25
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...Thread M/M Thread Drill Rod Product features: With rich experience of on cemented carbide manufacturing,Minetech produces high quality and ...
2025-06-21 00:34:47
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... rods are made by hollow drill steels. This hollow hole are usually named flushing hole, used for transmitting water or air during drilling.And the ...
2025-06-21 00:34:34
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Mining 7degree 38mm Taper Button Rock Drilling Bit Description: Different rock formation and rock drills require different taper angles. When drilling ...
2025-06-21 00:33:13
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4" 5" 6" 8" DTH Hammer Drill Bit Rock Mining Button Drilling Rig Tools Product Information: This high air pressure DTH hammer work ...
2025-06-21 00:38:33
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...,Minetech produces high quality and stability Rock Drilling Tools with the impact resistance and wear resistance carbide buttons and well forged ...
2025-06-21 00:34:19
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...Thread Drill Rod Extension Rod MF Rock Drill Steel Rod With High Quality Product features: With rich experience of on cemented carbide manufacturin...
2025-06-21 00:34:17
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