INTRODUCE :
Tunne segment bolts are special fasteners used to fasten or connect segments during the construction of shield machines.
As a professional railway bolt manufacturer, Kingrail Parts can produce various types of segment bolts. Such as: hexagonal head arc segment bolts, non-standard segment bolts, double-ended straight segment bolts, double-ended arc segment bolts, hexagonal flange face circle Arc thread segment bolts, hexagon head arc thread segment bolts.
We can also customize segment bolts according to customer specifications and requirements.
SPECIFICATIONS :
Specifications:
Standard: As required by the drawing
Raw materials: Q235, 45#
Strength grade: 5.6, 6.8, 8.8
Surface treatment: galvanized, Dacromet, hot-dip galvanized.
Straight Tunnel Bolts
|
Dimension |
Arc Length mm |
Tensile Strength |
Surface Treatment |
|
M25～M39 |
480～880 |
4.6、4.8、5.6、5.8、8.8 |
Dacromet, Hot dip Galvanized |
Curved Tunnel Bolts
|
Dimension |
Arc Length mm |
Tensile Strength |
Surface Treatment |
|
M25～M48 |
480～880 |
4.6、4.8、5.6、5.8、8.8 |
Dacromet, Hot dip Galvanized |
Get more help
If you have a tunnel excavation project, please contact us. We can provide you with the best segment bolt solution.
