Rock Support Expansion Shell Hard Rock Drill Bits
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...Expansion Shell Rock Bolt is a three-leaf, expansion shell anchor bolt that is ideal for anchoring in rock, concrete, and other tough materials. It has a yield strength of ≥400MPa, which means it can withstand high levels of tension and pressure without breaking or deforming. This makes it a perfect choice for applications where high loads are expected. Available in Silver, Grey, and Black, the Expansion Shell Rock......
Cangzhou Fuhua Prestress Technology Co., Ltd
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Cast Iron Rock Anchor Bolts Underground Mining Roof Support Expansion Shell
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Underground Mining Roof Support Expansion Shell Rock Bolt Anchor Product Details Product Name Expansion Shell Rock Bolt Anchor Type (Size) 32mm, 35mm, 38mm, 42mm, 48mm Material Cast Iron Finish Sand Blasting ......
Sunrise Foundry 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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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 Drilling Double Shell Core Barrels Dia 1000mm 17 Teeth
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...h rock drilling bits rock; 2. Rock drilling bits perform stage breaking and drilling; 3. Small barrel facilitates the coring operation, large barrel performs stage breaking; 4. Applicable layers: Gravel, boulder, medium weathered rock; Customizable Items 1...
Hebei Tuff Heavy Industry Co., Ltd.
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Fully Hydraulic Tunneling Jumbos Rock Support Drill Rigs For Bolt Support
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... by our company. It is mainly suitable for excavation and construction operations in tunnels, mining, hydropower, railway, highway, and other fields; It adopts an advanced fully hydraulic rock drilling system, equipped with an...
Sichuan Zuanshen Intelligent Machinery Manufacturing 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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Support Custom Shell Lifepo4 Battery Pack 24V 25AH For Electric Bicycle
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... Maximum charging current 10A Maximum discharge current 25A Display screen No Communication support No GB/T 28164 is a standard for battery production in China's national standard, which specifies in detail the technical requirements, test methods and...
Dongguan Everwin Tech Co., Limited
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Rock Supporting Hollow Drill Steel Reinforced Hollow Groutable Anchor Bar
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Rock Supporting Hollow Drill Steel Reinforced Hollow Groutable Anchor Bar The hollow drill steel is vital material for make drill rods.It is typically supplied as steel hollow bars that made from premium grade steel and through closely-controlled ......
SUVEC Rock Drilling Tools
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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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