Products Description
Metro bolt, sometimes called subway bolt, is the collective name for some types of bolt that are often used in metro construction. The main difference between metro bolts and ordinary bolts is that their steel performance grade and anti-corrosion treatment have adopted higher standards. As a professional manufacturer of metro fasteners,GNEE RAIL can produce a variety of metro nut and bolt, screw spike, metro rail, metro segment bolt, and other metro fasteners.
Railway Metro Bolt Size Specifications
Metro segment bolts can be divided into six types:
1.Double head straight segment bolt
2.Double head arc segment bolt
3.Hexagon arc segment bolt
4.Hexagon head circular arc threaded segment bolt
5.Hexagon flange arc thread segment bolt
6.Non-standard segment bolt
| Grades |
5.5, 6.8, 8.8, 10.9, etc. |
|---|---|
| Materials |
Q235, 45# steel, 40Cr, etc. |
| Standard |
Standard: GB, DIN, ISO, ANSI, JIS, BS, Non-standard |
| Surface Treatment |
Hot-dip galvanizing, Dacromet, powder shearing, multi-component composite powder shearing, etc. |
Railway Bolt Surface treatment：
Gnee Factory - Railroad Track Bolts Photos
Hot Selling Railway Metro Bolts
Double-Ended Straight Segment Bolts
|
Size |
Grade |
Material |
Surface treatment |
|
φ22×410 |
ISO898 - 1:2009 standard, grade 8.8 |
45# |
Hot dip galvanized, thickness of zinc layer ≥43μm |
|
φ25×395 |
|||
|
φ28×556 |
Natural color |
||
|
φ20×350 |
35# |
Dacromet coating, thickness of coating ≥8μm |
|
|
φ30×480 |
ISO898 - 1:2009 standard, grade 10.9 |
40Cr |
Powder zinc - infiltrated, thickness of zinc layer ≥60μm |
Application of Metro Segment Bolt
Metro segment bolts are mainly used in metro shields, tunnel segment connections, shallow-buried longitudinal segment connections, building segment connections, metro segment connections, etc. When used in metro construction, metro segment bolts are used to connect the segments together to form a cylindrical pipe.
Advantages of Gnee Railway Bolts
GNEE RAIL metro bolt prefer high-quality raw materials (Q235, 45#, 40Cr, etc.), and can customize Q235B, Q355B, 355K, 20MnTiB, 35VB, 35CrMoA and other materials according to customer needs.
The production and processing of metro bolts are strictly in accordance with the drawings to ensure delivery in accordance with the contract time. The produced bolt thread teeth are clearly visible, the section is smooth and complete, and a variety of surface treatment processes can be customized.
About the Company
who choose us?
We have extensive experience in exporting railway track bolts, are familiar with railway standards and technical requirements of various countries, and are able to provide matching product solutions for different countries and regions.
one-stop solution
professional team
high quality
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