High Strength Expansion Shell Rock Bolt 17 - 50mm For Mining
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...Expansion Shell Rock Bolt is an innovative product designed to provide reliable anchoring solutions in hard rock conditions. It is made of high-quality carbon steel material with surface treatment of galvanized, making it resistant to corrosion and rust. It has a wide range of sizes from M8 to M30, and a tensile strength ranging from 12.9 to 14.9KN. The head size is 17 to 50mm, making it suitable for different hard rock...
Cangzhou Fuhua Prestress Technology Co., Ltd
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Underground Mining Expansion Shell Anchor Expansion Shell Rock Bolts
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...Expansion Shell Anchor Expansion Shell Rock Bolts Product Details Product Name: Expansion Shell / Rock anchors bolt Material: carbon steel for Expansion Shell, cast iron for Rock anchor bolts Finish: Oil Rusty Process: Forging for Expansion Shell, casting for Rock anchor bolts Application: Rock anchor used in sound rock......
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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400mm2 360kN Hollow Grouting 32mm Threaded Rock Bolts
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... the bolt has a high and immediate load bearing capacity if applied with fast setting resin capsules. It combines rock bolt with injection function. After injection work,the bolt can remain in the borehole and bear load with plate and nut at the end. Due...
Supanchor Rock Reinforcement Co., Ltd.
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Chemical Resistant NQ Drill Rods , Hardened Drill Rod High Tensile Strength
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...Tensile Strength Specialisted in producing varies kinds of diamond core barrel for diamond core bits in different international standard size for soft, medieum to hard rock formations. Including impregnated diamond core bit, surface-set diamond bit, reaming shells, impregnated diamond casing bit, casing shoe bit, TC core bit, TC casing bit, diamond reaming shell......
Wuxi Shifeng Geology and Mineral Drilling Tools Co., Ltd.
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High Tensile Strength 20mnsi Mining Industry Self Drilling Hollow Grouting Rock Bolt Cold/Hot Rolled Cold-Drawn Anchor Rod for Machinery Chemical Industry
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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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High Tensile Strength 20mnsi Mining Industry Self Drilling Hollow Grouting Rock Bolt Cold/Hot Rolled Cold-Drawn Anchor Rod for Machinery Chemical Industry
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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 removal. Application ......
Shandong Zhengde Metal Manufacturing Co., Ltd
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304 Stainless Steel Expansion Bolt M6-M10 Custom Hardware High Tensile Stainless Steel Bolts
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Expansion bolt is a special threaded connecting piece used to fix pipe support, crane, bracket or equipment on the wall, floor or column. [1] Carbon steel bolts are classified into more than 10 grades, such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9 and 12.9. The numbers before and after the decimal point respectively represent the nominal tensile strength and flexor ratio of the bolt material. For example, the marked 8.8 grade bolt......
Jiaxing City Qunbang Hardware Co., Ltd
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Shield Expansion Screw Anchor , Carbon / Stainless Steel Expansion Bolts For Brick
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... in a special thread connector. Carbon steel bolt level is divided into 3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9 more than 10 grades. The figures before and after the decimal point indicate the nominal tensile strength and yield ratio of the bolt material,...
Handan city Yongnian District Maide Fasteners Co. Ltd
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