2. 请将此代码粘帖到紧跟起始 标记之后的位置:
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined
  • undefined
undefined
undefined
undefined
undefined
undefined
undefined
+

Tunnel Segment Bolt used for tunnel construction 8.8 Grade HDG

Square head bolt is used in railroad frogs and crossings. Frog bolts have different styles due to different usage, incuding square bot, thin sqaure bolt, BHON bolt, drilled square bolts, etc. Bolts are manufactured with full body rolled in grades 5 and 8 with AREMA or SAE J429 standard. Size: 7/8"XL,3/4"XL, 1-1/8"XL,1"XL Material: 45#, 40Cr,etc Grade: Gr5 Standard: AREMA, SAE J429 Surface: Plain Oiled, Oxygen Black, Zinc Plated, Hot Dip Galvanized, Dacro coating, or as per customer's requirement Sample: Free Packing: Less than 25KG per double layer woven bag in fumigation free pallet  MOQ: 5000 Piece/Pieces  Supply ability: 3500 Ton/Tons per Month  Delivery: within 20 working days
  • Commodity name: Tunnel Segment Bolt used for tunnel construction 8.8 Grade HDG
  • Description
  • Curved Tunnel Bolt,also be called Tunnel Segment Bolt,Curved Tunnel Bolt,Tunnel Bolt,Spear Tunnel Bolt, 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.

    Product Attributes

    Brand: ALEX

    Place Of Origin: China

    Type: Tunnel Segment Bolt

    Application: Connecting Concrete Ring

    Material: 4.6,4.8,5.6,5.8,6.8,8.8,10.9,12.9

    Mark: Manufacture Id

    Coating: Plain, Zinc Plated, Hot Dip Galvanized.

    Delivery Time: 25-30days

    Packing: Woven Case

    Transportation: Ocean,Land,Air,Express

    Place of Origin: China

    Supply Ability: 200000PCS/Month

    Certificate: ISO9001

    Port: Shanghai

    Incoterm: FOB,CFR,CIF,EXW,

     

    Application  of Curved Tunnel Bolt

    To be used for connecting concrete ring when Tunneling

     

    Type  of Curved Tunnel Bolt

    There are straight one and curved one.The straight one should be used and assembly with plastic thread inserts.

     

    Our Services

    For standard railway parts, we manufacture and deliver fast.

    For customized parts, we could take measurements on your samples and make drawings, manufacture all railway and some construction fasteners as below:

    Except some standard railway fasteners, which can be provided in very short time, all products can be customized according to customers' drawings and samples. Our main products are as follows:

    1. Train brake shoe , brake pad , brake shoe key & holder , Pivot Pin , Friction wedge,Suspension spring and other locomotive parts .

    2. SKL1 ,SKL14 ,SKL30 Rail Clip and Clamp, NABLA clamp,E clip, Deenik clip, Fast clip, Fist clip;

    3. Screw spike & Plastic Dowel/screw dowel;

    4.100 re Rail Anchor ,115re Rail Anchor,136re Rail Anchor;

    5. Rail Base (Tie) Plate;

    6. Railway Cast Shoulder (Insert);  

    8. Railroad Rubber Pad;

    9. Crane rail QU120 QU100 Rail Clamp plate;

    10. Fish plate & Track Bolt with Nut;

    We are trying to supply the best products at the best price and service!

Key words:

Bolts&Studs&Nuts

Get A Quote

Note: Please leave your email address, our professionals will contact you as soon as possible!

Obtain A Quotation

Submit