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  • The Drill Hollow Bar System R32N Anchor Bar Rock Self Drilling Bolts

    The Drill Hollow Bar System consists of fully threaded steel bar sections, couplers, nuts and drill bits. It can be drilled and grouted into loose or collapsible soil without a casing. The bar sections feature a hollow center that allows for a simultaneous drilling and grouting operation.   ...
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  • HIGH-QUALITY ANCHOR FRICTION MINING BOLTS FRICTION BOLTS SPLIT SETS ROCK BOLTS

    The friction stabilizer bolt is a new type of anchor of full-length anchoring and active reinforcement of surrounding rock. It is composed of an anchor rod and tray. The anchor rod is made of high-strength steel pipe and has longitudinal slits. When it is installed in a borehole slightly sma...
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  • swellex rock bolts Hydraulic Expansion Friction Bolts for slope stability Underground Tunnel Arch split set rock bolts

    The Hydrabolt is a hydraulically expanded rockbolt with superior bond strength for tensile loading applications. The hollow, tubular Hydrabolt is injected with high pressure water upon installation and then expands to adapt to the shape of a predrilled support hole. The Hydrabolt incorporates a c...
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  • Spring Festival listed as UN floating holiday

    The Lunar New Year, or Spring Festival, has been officially listed as a UN floating holiday in its calendar of conferences and meetings as from 2024. The UN General Assembly, in a resolution, acknowledges the significance of the Lunar New Year, which is observed in many UN member states, and invi...
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  • T40 mining rock anchor bolts hollow threaded rod anchor bar

    T40 Self drilling anchor bolt / Self drilling anchor bar / hollow anchor bar     T40 Self drilling anchor bolt / Self drilling anchor bar / hollow anchor bar Application: Self drilling anchor system is mainly used in slope stabilization, tunneling pre-support, foundations with micropiles, i...
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  • Self drilling rock bolt

    Self drilling rock bolt Self-drilling anchor bolt integrates drilling, grouting, and anchoring into one, with a simple construction process, high construction efficiency, and good anchoring effect, which can effectively solve the problems of easy collapse and difficult hole formation during dri...
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  • Rock anchor bolt anchor rod

    Rock anchor bolt is the most basic part of tunnel support in contemporary coal mine, it can help to strengthens the surrounding rocks of the tunnel together. Now the anchor is not only used in mine, but also used in engineering technology to reinforce the main body of slope, tunnel and dam. Field...
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  • Coal Mining Equipment Self Drilling Anchor Bolt Split Set Stabilizer

    Split set bolt is a longitudinally slit high strength steel pipe that requires no anchoring agent. When installed in a small hole it can immediately exert radial pressure on the wall and the friction force to prevent the surrounding rock from sliding down in the whole length range. It is in a sta...
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  • Cable Grouting In The Roadway Within Soft Rock Expanding shell Pre stressed Hollow Anchor Rod

    The Self Drilling Anchor system is comprised of a hollow threaded anchor bar with a sacrificial drill bit that performs drilling,anchoring and grouting in a single operation. Self drilling anchor system is mainly used in slope stabilization, tunneling pre-support, foundations with micro piles...
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  • full threaded steel self drilling rock bolt / hollow anchor bar / anchor rods

    Full threaded steel self drilling rock bolt / Hollow anchor bar / Anchor rods The Self Drilling Anchor system is comprised of a hollow threaded anchor bar with a sacrificial drill bit that performs drilling,anchoring and grouting in a single operation. Self drilling anchor system is mainly u...
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  • blast furance tap hole drill rod and bit factory supply

    R32 R38 blast furance drill rod drill bar factory
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  • R38 Self Drilling anchor rod anchor bolts anchor rock bar

    self-drilling anchor bolt is composed of a hollow anchor bolt, anchor nut, anchor plate, anchor coupler, drill bit, and centralizer. By drilling a hole in collapsing soil or loose rock, with an efficient hollow bar and a drill bit, and after the drilling operation injecting grout into the hollow ...
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