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Shandong Tongrui Mining Technolog Co., Ltd

 
 
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rock bolt 

  Category : Metals and minerals->Others->nonferrous metals

     
rock bolt
 
       

  Product Specification
 
  Model No:      1
  Country  CN
  Brand  Tongrui
  Materials  steel
  Size  dia.33mm, 39mm, 42mm. 47mm    
  Weight  7kg
  Color  black
  Packing  as per your request
  Minimum Order  1000 sets
  Payment Term  TT

 

    Product Detail
  Detailed Product Description


Rock bolt
1.Material: steel
2.Fuction : used as rock bolt
3.Diameter : 33mm 39mm 42m


Rock bolt

Rock bolt is used together with dome plate and net for reliable ground support in mines, tunnels, slopes, or wherever .



1.FEATURES :

(1)Split Sets Bolt is made from high strength steel tube that is a slotted steel tube, with one end tapered tip for easy insertion into a drill hole. The other end has a welded ring for holding the bearing plate. A ring, or collar, is welded on the outer end to hold a domed plate to the rock surface.

(2)Provide support in radial and axial direction .

(3)The bolt is inserted into a hole slightly ,the diameter of hole is smaller than the tube. When drive the rock bolt into the hole, the tube of bolt is compressed and the slot is partially closed ,that make the strata and the bolt be a whole body,.all strain of bolt wiill support to the strata tightly. When surrounding rock is shaked by explosion, anchor capacity increasesed higher and supporting effect is perfect.

(4)Fast and easy installation with hand held or mechanized equipment .

(5) Be used in a variety of ground conditions for immediate ground support, but is not suitable for very soft strata and permanent support.

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