Detailed Description
Co
ncrete Ring Co
nnect Bolt for Tunnel
This type of bolts are to be used for co
nnecting of co
ncrete 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.
Co
ncrete Ring Co
nnect Bolt for Tunnel

Co
ncrete Ring Co
nnect Bolt for Tunnel

Co
ncrete Ring Co
nnect Bolt for Tunnel
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