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Rock bolt expansion anchor

Categories expansion shell
Brand Name: fenghui
Model Number: 120*20
Place of Origin: ShangHai
MOQ: 500
Price: $1-8/pcs
Payment Terms: T/T, L/C
Supply Ability: 50000pcs/year
Delivery Time: 60
Packaging Details: 100
metarial: C45
size: 120*20
surface: zinc
thread: din 13-20
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Rock bolt expansion anchor

Fenghui Machinery Parts Xianxian Co., Ltd., our company is a precision casting manufacturer, using wax loss method precision casting, mainly produces automotive parts, building accessories, anchor accessories. Our factory is located in Cangzhou City, Hebei Province, China.Primary business in manufacturing and selling rock support thread bars. Expansion shell.Kiruna bolt.Kinds of Grouting hollow thread bar, reinforcing steel bar, Hex Dome Nut. Beside of selling at domestic china markets, also export to Euro, North America, South America, Australia. Annual production output got to exceed to 1000 metric tons.


Email:expansionshell@outlook.com
wahtsapp:+86 18217210062
mobile phone :+86 18217210062


In addition to the use of chemical anchoring material to obtain the pre-stressing of rock bolt, the mechanical expansion shell with easier installation and high performance of anchor loading is also one of the bolting solutions on site. In particular, if water mergers after bore holing of rock bolt, an expansion shell can be attached onto a full-threaded rock bolt, which is then placed at the required depth of borehole and rotated by a drill machine or hand-held hammer in order to obtain immediate loading capacity for anchoring.


The kiruna bolt is a rock reinforcement element comprised of a smooth steel bar with a number of deformed sections that act as anchor points along its length. The collar end of the D-Bolt® is threaded and is designed to be used with a face plate, spherical washer and a nut that fastens the bolt. The bolt is fully encapsulated in a borehole, but it is only constrained to the grout or resin along the anchor points. This allows the smooth sections of the bolt, between the anchor locations, to deform without constraints and absorb energy as the rock mass dilates.


Expansion shell: 1.size:m20,m22,m27,15/17. 2.process:cast steel/forged. 3.2-leaf or 3-leaf expansion shell. Expansion shell:. 1.size:m20,m22,m27,15/17. 2.process:cast steel/forged. 3.2-leaf or 3-leaf are both available. 4.expansion shell include expansion shell anchor head, thread bar, anchor plate and nut. 5.expansion shell was casting and machined. Expansion shell is an important part of expansion shell anchor bolt. expansion shell can provide prestressing to rock. It is veru convenient and easy to install. It is suited temporary support and permanent support. It maches with domed plate, nut and domed washer. And they are suited for use in single or twin grout tube installation due to the minimal rotation the bar undergoes the setting process.DIN13-20 C45 Expansion shell bolts


Product NameKiruna bolt
Dimensions20*120*2.5mm
Original
Material
1045/C45





Email:expansionshell@outlook.com
wahtsapp:+86 18217210062
mobile phone :+86 18217210062


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