51 - 60 of 199
43mm h thread rock drill bits
Selling leads
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...crush rock ,and it is widely used in tunnel construction, large scale mine(open and underground )and large section tunnel advance in metal mine. ...
2025-07-20 00:20:22
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...Drill Bit 76mm Drill Bit Flat Face Heat Treatment Description Of T45 Flat face Heat Treatment Rock Drilling Bit Threaded button bits cover regular, ...
2025-06-21 00:33:21
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..., T45, T51, ST58, T60 rock drill rods use. It have many thread. It's widely used for hard rock(f=8~18) drilling use. 1) Thread connection: R22, ...
2025-07-20 00:20:22
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... drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks. Besides, we can design ...
2025-06-21 00:32:44
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... are applicable to drill soft rock, loose-medium rock and hard rock.Rock Drill Thread Button Bits is suitable for R22, R25, R28, R32, R35, R38, T38...
2025-06-21 00:37:07
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... are applicable to drill soft rock, loose-medium rock and hard rock.Rock Drill Thread Button Bits is suitable for R22, R25, R28, R32, R35, R38, T38...
2025-07-20 00:20:22
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...Threaded Button Bits for Hard Rock Drilling Product Description Minetech threaded button drill bits are made by high quality alloy steel bar and ...
2025-06-21 00:36:36
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... Thread Drill Bit 89mm Rock Drilling Tools Thread Button Bit Description: The Rock Drilling Bits are made from grade hard alloy and special steel, ...
2025-06-21 00:36:25
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...heat treatment, Minetech’s drilling tools are tested in various working conditions. What’s more, Minetech can supply customized thread button bits ...
2025-06-21 00:33:02
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...Rock Drill Retrac Tungsten Carbide Retrac Button Bit Description: MTH thread button drill bits are made by high quality alloy steel bar and ...
2025-06-21 00:36:55
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