Premium Expansion Rock Bolt Strength DIN ASTM ANSI Compliant
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...expansion anchor bolt is manufactured to meet international standards such as DIN, ASTM, ANSI, GB, JIS, BSW, and other industry-specific standards. This ensures that the product is of the highest quality and will deliver outstanding performance in the field. The Expansion Shell Rock Bolt is an expansion anchor type bolt that is designed to provide maximum holding power in rock......
Cangzhou Fuhua Prestress Technology Co., Ltd
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Expansion Shell Rock Bolt Post Tension Anchor Mechanical Rock Support Bolt
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Expansion Shell Rock Bolt Rock Support Bolt Mechanical Rock Support Bolt Description Expansion shell bolts are a common style of area ground support. A point anchor bolt is a metal bar between 20 mm – 25 mm in diameter, and between 1 m – 4 m long There is an expansion shell at the end of the bolt which is inserted into the hole. As the bolt is tightened by the installation drill the expansion shell expands and the bolt tightens holding the rock...
Sunrise Foundry CO.,LTD
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39mm 47mm Galvanized Friction Rock Bolt and Split Set Stabilizer for Underground Mining with High Corrosion Resistance
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...Rock Bolt/split Set Rock Bolt Manufacturer in China Production introduce Mining Friction Bolt are mainly used in hard rock mines such as copper and gold mines. Bolts are installed in the rock strata by extrusion, which can generate axial and radial frictional expansion force with the rock strata, thereby generating huge supporting force and protecting the safety of the roadway. Mining Friction Bolt......
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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High Strength Sleeve Expansion Anchor Bolt With Washer And Hex Nut
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... Name: TOBO Model Number: Expansion bolts Material: Steel Diameter: 3/16in, 1/4in, 5/16IN, 12mm Capacity: 2000kgs/piece Standard: DIN,GB,USS,SAE,ASTM,ANSI,ASME,BS,BSW,JIS Product name: Expansion anchor bolts Thread: UNC, UNF Grade: 4.8, 6.8, 8.8, 10.9,...
TOBO GROUP LTD
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Grade 8.8 M24 Wedge Expansion Through Bolt Carbon Steel Concrete Anchor Bolt
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... an expansion wedge. Its simple structure facilitates easy installation and removal. Expansion Principle: By rotating the bolt, the expansion wedge moves within the expansion tube, causing the tube to expand radially and securely anchor into concrete or...
Jiangsu Ying Yan Fastening System Technology Co.Ltd
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Coupling Connector Expansion Anchor Bolts Wall Wedge Anchor Screw Bolt 304 316
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...Expansion Anchor Bolts Wall Wedge Anchor Screw Bolt 304/316 Product : Expansion bolts are used to secure materials to concrete or masonry surfaces. Anchor bolts are used to secure materials to wood or metal surfaces. Expansion bolts are inserted into predrilled holes in the concrete or masonry surface. Anchor bolts are inserted into predrilled holes in the wood or metal surface. Expansion......
Guangzhou Younaide Metal Products Co., Ltd.
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High Durability Expansion Anchor Bolt , Heavy Duty Anchor Bolts For Concrete
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... Galvanized Expansion Anchor Bolt Product description: Expansion anchor bolt also known as the expansion screw. It’s fixed principle is: by use of cuneiform slope to cause expansion to produce friction.The types of expansion anchor bolts include: steel......
XINYUXIANG FASTENING PIECE CO., LTD.,
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Stainless steel SS304 SS316 A2-70 A4-80 Flanged button head screw Astm B7 Flange Bolt
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... Leading time 15 days Product details for Stainless steel SS304 SS316 A2-70 A4-80 Drop In Anchor Bolts Expansion Bolts Comapny profile for...
Shanghai New Lasting Co., Ltd.
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J Type Ring Hook Sleeve Expansion Anchor Bolts M20 4.8 Grade Thread Length 6"
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...:6” Material: Carbon Steel, Stainless Steel, Alloy Steel, etc Grade: ASTM A307B, A449, F1554 Finish: Plain, H.D.G., Zinc Plated, Black oxside, etc Head type: forged hex, heavy hex or ......
Shanghai Summery Industrial Machine Co. , Ltd.
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