Review
  • “This is one of the most favourable purchases I’ve made.Wonderful Segment Bolt For Tunnel with good price!”
    Mr.valeriia
    ark-plas products
  • “Timely delivery, everything one needs in one neat package.”
    Mrs.nannapachara
    qual-craft industries
  • “Super! Thanks!”
    John Mclean
    "ЛАБОРАТОРИЯ РАДИОЛОКАЦИИ И НАВИГАЦИИ" ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ
  • “Wow! What a great Segment Bolt For Tunnel ! I searched for years for something like this. Finally I found AT . It's a really great product.”
    Grace Power
    22nd Century Technologies
  • “This is a reputable company, they have a high level of business management, good quality Segment Bolt For Tunnel and service, every cooperation is assured and delighted!”
    Pam Fachini
    technology advancements

Segment Bolt For Tunnel

- manufacturer, factory, supplier from China

(Total 4 Products for Segment Bolt For Tunnel)

  • M30 Rail Tunnel Bolts

    M30 Rail Tunnel Bolts

    • Brand: AT
    • Packaging: Bag /Box /metal pail
    • Supply Ability: 300000 PCS/month
    • Min. Order: 20000 Piece/Pieces

    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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  • Railway customized Tunnel Bolts

    Railway customized Tunnel Bolts

    • Brand: AT
    • Packaging: Bag /Box /metal pail
    • Supply Ability: 300000 PCS/month
    • Min. Order: 20000 Piece/Pieces

    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...

    Contact Now

  • Railway T thread screw

    Railway T thread screw

    • Brand: AT
    • Packaging: Bag /Metal Pail
    • Supply Ability: 300000 PCS/month
    • Min. Order: 20000 Piece/Pieces

    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)....

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  • Tunnel Bolts for Sale

    Tunnel Bolts for Sale

    • Brand: AT
    • Packaging: Bag /Box /metal pail
    • Supply Ability: 300000 PCS/month
    • Min. Order: 20000 Piece/Pieces

    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...

    Contact Now

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