Unique Expansion Shell Rock Bolt Anchors For Underground Mine Support
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...Expansion Shell mechanism of this rock bolt allows for easy installation and expansion in hard rock formations. This makes it ideal for use in mining and tunneling projects where hard rock drill bits are used. The Hexagon Head Bolts of the Expansion Shell Rock Bolt make it easy to install and tighten in place. This feature ensures that the bolt remains firmly in place, providing a secure and stable support for the rock...
Cangzhou Fuhua Prestress Technology Co., Ltd
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Expansion Shell Rock Bolt Anchors Tunnel Rock Bolt Mining Anchor Bolt
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Expansion Shell Rock Bolt Anchors Tunnel Rock Bolt Mining Anchor Bolt Application The expansion shell acting as an accessory on rock bolt, it is screwed on the rock bolt , then inserted into drilling hole.the rotate the rock bolt until the shell can not be expanded, and the rock bolt tightly fixed in the drilling hole. Expansion shell is comprised with 2 pcs shells......
Sunrise Foundry CO.,LTD
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Hollow Self Drilling Anchor Left Hand Threaded Rod T30/16 T30/14 T30/11 Expansion Shell Rock Bolt
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..., tunneling pre-support, foundations with micropiles, it is also widely used in the railway system, metro project etc. It can be installed in sites with weak rocks, loose soil, weathered layer, sand with stone layer and so difficult to create a hole in...
HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
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Rock bolt with Expansion shell
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... load-bearing ground. The expansion shells hold in any rock strata which is sufficiently competent to provide an adequate anchorage. They are designed to anchor in soft ground or hard rock. In good strata the anchorage exceeds the ultimate strength of the...
HEBEI LONGQUAN INDUSTRY CO., LTD.
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Galvanized Expansion Shell Bolt Anchor M20 M8*7 M6 M5 M4 Expansion Bolt Stainless Steel
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1/4" 1/2" 3/4" 3/8" 5/8" 5/16" Metal Black Oxide Flat Washers M2 M2.5 M3 M3.5 M4 M5 DIN 9021 Description Specifications For Anchor Bolt, Expansion Anchor, Wedge Bolt, Drop in Anchor 1.Supply to USA,Europe,Austrilia,and Middle East 2.Matrial: Stainless ......
EUROTECH FASTENERS (WUXI) CO., LTD
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FRP Anchor Rock Bolts for Engineering Construction
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...irreplaceable role in rock and soil anchorage, slope reinforcement, tunnel support and other fields. The Solid Bolt is used in Mining, Tunneling and Civil Engineering widely. It provides more possibilities as an alternative to metal. The GFRP Solid Bolt is...
Shaanxi Flourish Industrial Co., Ltd.
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Factory Hot Rolled Seamless Steel Hollow Rock Bolts Expanding-Shell Pre-Stressed Hollow Anchor Rod
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Product Description Product Description Zhengde The hollow anchor consists of five parts: hollow drill pipe, plastic drill bit, grout stopper, backing plate, and nut. The drill bit is made of engineering plastic and is equipped with slurry holes and dust ......
SHANDONG ZHENGDEMETAL MANUFACTURING CO.,LTD.
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Carbon Steel Expansion Elevator Anchor Bolt Yellow Galvanization Sleeve Anchor Bolt
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...Expansion Elevator Anchor Bolt Sleeve Anchors Expansion Screws Yellow Galvanization Characteristics: Made of High-Strength Material: Elevator expansion bolts are typically crafted from high-strength steel or other durable metals, ensuring their ability to withstand continuous stress and vibrations during elevator operation. Unique Expansion Design: The bolts......
Jiangsu Ying Yan Fastening System Technology Co.Ltd
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5/16IN Stainless Steel Expansion Bolt Zinc Plated M4-M20
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5/16IN Colored Zinc Plated Anchor Bolts Stainless Steel Expansion Bolt Our 5/16IN Colored Zinc Plated Anchor Bolts offer a unique combination of size and finish. The 5/16IN diameter is carefully engineered to provide an optimal balance between strength......
Finexpress Precision Manufacturing (dongguan) Co., Ltd
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Hot Dipped Galvanized Wedge Concrete Expansion Anchor Heavy Hex Bolts
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...Anchor expansion Bolts Wedge anchors are a unique type of concrete anchors, designed to anchor objects into concrete applications. Concrete Wedge Anchors are installed into a pre-drilled hole using the appropriate Concrete Drill Bit, where the wedge is expanded by tightening the nut. Once installed, wedge anchors are not removable after the anchor has expanded. Wedge Anchors......
Shanghai Powermax Fastener Co., Ltd.
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