• Concrete Ring Connect Bolt for Tunnel
  • Concrete Ring Connect Bolt for Tunnel
  • Concrete Ring Connect Bolt for Tunnel
  • Concrete Ring Connect Bolt for Tunnel
  • Concrete Ring Connect Bolt for Tunnel
  • Concrete Ring Connect Bolt for Tunnel

Concrete Ring Connect Bolt for Tunnel

Certification: Crcc, Tb
Type: Track Train
Product Grade: 4.6, 5.6, 8.8, 10.9
Usage: Concrete Ring Connect for Tunnel
Size: M20, M24 and Other Size Bolt
Coating: Plain, Zinc Plated, Hot DIP Galvanized.
Samples:
US$ 10/Piece 1 Piece(Min.Order)
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Customization:
Gold Member Since 2008

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Manufacturer/Factory & Trading Company

Basic Info.

Model NO.
TB
Application
Connecting Concrete Ring
Transport Package
Woven Bag and Wood Pallet
Specification
SGS
Trademark
ZBRF
Origin
China
Production Capacity
1800000 Tons

Product Description

Concrete Ring Connect Bolt for Tunnel are classified under the special type of bolts that are known as structural bolts which can be produced in various grades, sizes and load capacities depending on their specific use. These tunnel/segment bolts are utilized to make transportation through undersea and underground tunnels possible by binding together a number of metal beams and posts which make up the tunnel's frame.

This type of bolts are to be used for connecting of concrete rings for tunnel construction. They are widely used for metro and railroad tunnel construction. We manufacture and supply in carbon steel, alloy steel, with grade 4.8, 5.8, 6.8, and 8.8. We can also supply accompany with plastci socket.

Now our products have been widely performing in Shenzhen Metro, Nanjing Metro, Shanghai Metro, Shijiazhuang Metro, Nanjing Metro, Guangzhou metro etc.

We also exported to Venuzula, Italy, Spain and Damark.

Concrete Ring Connect Bolt for Tunnel
Concrete Ring Connect Bolt for Tunnel
Concrete Ring Connect Bolt for Tunnel

Concrete Ring Connect Bolt for Tunnel
Concrete Ring Connect Bolt for Tunnel

Concrete Ring Connect Bolt for Tunnel
 

Company information

We produce and supply W14 rail clips according to DIN and GB standard.We source certificated steel manufactuer by CRCC.
We produce the clips with bar size 13mm, 14mm and 15mm.
The testing items including fatigue life, clamping force, hardness, electronic resistance.
This type of fastening are used for UIC54, UIC60, P43, P50, R65, 115RE, 136RE rail tracks, they can also be used crane rail fastening.
If you need further information about this fastening, please contact our sales people.
Zhongbo Railway Fastening Company is a leading Chinese manufacturer of rail fastening and rail joint bar.

Zhongbo, as a specialized rail fastener manufacturer, provides a complete line of products, including rail fastening, anchor, rail joint, rail clip, rail screw, anchor bolt, rail clamp plate, rail fishplate, and fishplate bolt for connecting rail tracks.

We also make rail fastenings for crane rail and elevator guide rail, along with other related products.We manufacture according to GB/TB (Chinese national standards and railway standards), AREA, UIC, BS, DIN, ASTM, and AS standards.

Our products are mainly made through hot forging.

The threads of rail screw spikes are made by hot rolling with special threading machines.

We produce metric threads, BS, BSW, TR thread, or round threads.
Concrete Ring Connect Bolt for TunnelConcrete Ring Connect Bolt for TunnelConcrete Ring Connect Bolt for TunnelConcrete Ring Connect Bolt for Tunnel

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