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Anyang Railway Equipment CO.,Ltd
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(Total 4 Products for Segment Bolt For Tunnel)
Tunnel Bolts Segment bolts are a kind of special fasteners used by shield tunneling machines to connect and fasten their segments during tunneling. Through the connection of this type of bolt, several arched segments can be connected into a circle , So as to support the entire tunnel surface, which is also called...
Railway customized Tunnel Bolts
Tunnel Bolts Segment bolts are a kind of special fasteners used by shield tunneling machines to connect and fasten their segments during tunneling. Through the connection of this type of bolt, several arched segments can be connected into a circle , So as to support the entire tunnel surface, which is also called...
Bolts for Railway According to relevant standards, bolt performance grades are divided into more than 10 grades such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc. Among them, the bolts of grade 8.8 and above are made of low-carbon alloy steel or medium-carbon steel and are heat-treated (quenched, tempered)....
Tunnel Bolts Segment bolts are a kind of special fasteners used by shield tunneling machines to connect and fasten their segments during tunneling. Through the connection of this type of bolt, several arched segments can be connected into a circle , So as to support the entire tunnel surface, which is also called...
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