Rail bolt is another important component of railway fastening system. It is always used in the ends of two rail tracks to connect them together with the rail fish plate. With a oval neck, the rail bolt can be prevented from turning when torqued. After heat-treated, the track bolt will be stretch a little, then they should be tightened after initial application. And in general, the rail bolt is used with square nuts and spring washer.
The size of rail bolt varies from the different international standards of rail tracks and the common types are Diamond neck track bolt, Track bolt of Russian standard, Button head oval neck track bolt, Fish bolt, Rail bolt NF F50-008, Clip bolt, anchor bolt, T-bolt clamp, Clamp bolt and inserted bolt for Russia and other special bolts such as Frog rail bolts and so on.
Typical rail bots
Button head oval neck track bolt
- Material: Carbon steel
- Grade: 8.8 10.9
- Size: Dia. M5-M42
- Surface: zinc plated
Diamond neck track bolt
- Material: Q235, 35#, 45#
- Grade: 4.6, 5.6, 8.8 10.9
- Standard: UIS864-2
- Surface: plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing
Rail bolt NF F50-008
- Material: Q235, 35#, 45#,, 40Cr
- Grade: 4.6, 5.6, 8.8 10.9
- Certificate:ISO9001:2008
- Surface: plain (oiled),Oxide black, Zinc, HDG
Clip bolt with BSW thread
- Material: Q235, 35#, 45#, 40Cr
- Grade: 4.6, 5.6, 8.8, 10.9
- Certificate:ISO9001:2008
Fish bolt used for rail joints (with railnuts and spring washers)
- Material: Q235, 35#, 45#,, 40Cr , C45
- Grade: 4.8, 8.8, 10.9 Size: 22×135, 24×135, 24×145
- Surface: plain (oiled), Oxide black, Zinc, HDG
- Types: BS standard, R54 rail in Indonesia, AS1085.4-1999, Russian standard, AREMA standard, etc.
Clip bolt HS26 & HS32
This type of bolt is used to connect base plates and rail clamps together with nuts and washers. Two types of clip bolts are available: with square neck or without neck.
- Standard: UIS864-2
- Material: Q235, 35#, 45#
- Grade: 4.6, 5.6, 8.8
- Standard: UIC, GB, BS, DIN and GOST or ISO, etc.
- Surface: Plain, black painting or upon customer requirement
- For rail types: M20 X 60 30Kg rail, M20 X 75 30Kg rail, M22 X 66 40Kg rail, M22 X 80 48Kg rail, etc.
Clamp bolt and inserted bolt for Russia
- Material: Q235, 35#, 45#
- Grade: 4.6, 5.6, 8.8
- Size: M22 ×75, M22 ×175
- Surface: Plain, black painting or upon customer requirement
Anchor bolt
We produce rail anchor bolt for concrete sleeper rail fastenings or for crane rail fastening systems.
- Material: Q235 Grade: 4.6, 5.6, 8.8
- Surface: Plain, black painting or upon customer requirement
- Type: L type,J type, I type, curve bolt, or the type by customers' drawing
T-bolt
- Material: Q235, 45#
- Standard:GB37-88
- Size: M5-48
- Grade: 4.6, 5.6, 8.8, 10.6, 12.9
- Surface: Natural or according to customers' requests
Special bolt
- Material: Q235, 35#, 45#
- Grade: 4.6, 5.6, 8.8
- Surface: Plain, black painting or upon customer requirement
Tunnel bolt
- Type :available by customers drawings and samples .
- Surface: plain (oil ) black.zin .HDG etc
- Class:4.6.4.8.8.8.10.9.
- Types: Square flange bolts with round thread, special curve bolt, spear bolts with special pitches, etc.
Frog Rail Bolts
Features of Frog Rail Bolts
- Good dimensional accuracy and stability
- Good batch traceability
- High quality and workmanship
- Reliable
The most obvious sign of Frog bolt is the square headed. And it also has a variety of lengths and diameters which are depended on the rail section in use and the location of the bolt in the frog.
GNEE RAIL supplies a wide range of railway fasteners, including rail clips (such as SKL, Nabla, and E Clip types), screw spikes, dog spikes, rail bolts and nuts, rail pads, gauge rods, rail braces, and rail clamps etc. Customized designs and installation technical support are also available. Contact GNEE for high-quality railway fasteners.
