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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: TONRY
  • Model Number: Various
  • color: black or hot dip galvanized
  • shape: C tube
  • thickness: 2.5-3.2mm

Packaging & Delivery

Packaging Details: exporting standard package,ensure safe transportation and storage.100 pcs,150pcs,200pcs per bundle.
Delivery Detail: within 15 days after confirm the order

    7 feet friction bolts with steel domed plate 150x150x5mm

1.Specification:

   1.Material:steel
   2.Diameter:33-47mm
   3.length:914mm-3m
   4.Shape: C tube

   5.Thickness:2.5-3.2mm

   6.Available in Black or Gavanized

 

2. Product description:

    Friction Bolts is especially designed by GSI used together with dome plate for reliable ground support in hardrock mines, tunnels and slopes etc. 

 

3.Technical Parameters:

 

Bolt type

Tube diameter(mm)

Typical length(mm)

Drill hole diameter(mm)

Physical properties

MIN yield(kn)

MIN

tensile(kn)

TYP.tensile(kn)

TYP.anchorage(ton)

TRFB33

33

As required

28-32

96

120

136

3-6

TRFB39

39

As required

35-38

105

140

155

3-6

TRFB42

42

As required

38-41

116

154

170

5-8

TRFB47

47

As required

42-46

120

165

180

6-10

 

4.Package Picture:

 

5. Various Plates:

 

6.Production Flow Chart:

 

7. Our Lab

 

 

8.SGS Test Report:

 

9.ISO certification and Safety Certificate:

 

10. Our advantages:

 1. Professional Manufacturer with 7 years' experience

  2.High Quality, Competitive Price

  3.The best service

  4.Provide installation guide

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China (Mainland) | Manufacturer
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