91 - 100 of 134
tunnel bolting self drilling bit
Selling leads
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.... Specification: Head bit diameter 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm Length range 400mm - 7000mm Shank size Hex 22 x 108mm, Hex ...
2025-06-21 00:37:58
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...Drill Rod For Mining Quarring Tunneling Blasting Thread Drill Rod Features: With rich experience of on cemented carbide manufacturing,Minetech ...
2025-06-21 00:34:34
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...tapered rod through the taper for drilling. Product features: Degree: 4°46', 7, 11,12. Diameter: 28mm - 43mm. Button quantity: 6, 7, 8 ( ...
2025-07-29 00:13:44
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...tungsten carbides. Under the process of heat treatment, Minetech’s drilling tools are tested in various working conditions. What’s more, Minetech ...
2025-06-21 00:37:01
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...Bit Tophammer Equipment Rock Bolting Tool Description Of R28 38mm Thread Button Bit: R28 38mm Thread Button Bit is made by high quality alloy steel ...
2025-06-21 00:36:26
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...: Normal and retract type;ballistic and spherical Face shape: General flat and drop-center A comprehensive range of various button bits shown as ...
2025-06-21 00:36:47
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... and inclined direction hole, it can also be up drilling anchor hole, hole diameter is Φ 35 ~ 45 mm, and effective drilling depth of 5 meters. It ...
2025-07-29 00:13:44
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... Button Bit Application: Threaded Drill Bits cover regular, retrac and reaming types. With stronger button-fixing ability, longer service life, ...
2025-06-21 00:36:44
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Integral drill rod Shank Hex22x108mm Integral Drill Rod Description: Integral Drill Steel is used by a hand held drill machine in Underground mining ...
2025-07-29 00:13:44
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... used for gound quarring and underground drilling. Specification: A comprehensive range of various button bits shown as below: Thread sizes: R25, ...
2025-06-21 00:37:18
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