Track bolts, also known as rail bolts or anchor bolts, are used to fasten rails and rail chairs to sleepers, or to fasten rail joints to connecting rails. The proper diameter and length of the track bolts can be determined by checking the applicable railway standards.
As a professional track bolt manufacturer, we can produce round head oval neck track bolts, diamond neck track bolts, track bolts NF F50-008, fishtail bolts, Russian standard track bolts, clip bolts, clamp bolts and insert bolts, etc. types. And special bolts such as anchor bolts, T-bolt clamps, etc.
Track Bolt Application Standards:
According to the relevant railway standard, each rail joint needs to be bolted to approximately 400 foot-pounds of torque on each rail with at least two bolts, which creates 25,000 to 30,000 pounds of tension in the track bolts.
1. The track bolts in use must be of proper size and firmness.
2. The track bolt must be installed with the AREMA spring washer and the nut must be installed against the spring washer.
3. Track bolts must be installed, and nuts must be installed alternately on the inside and outside of the rail.
4. When the track bolt and joint bar are removed, the joint area of the rail and the contact surface of the joint bar must be cleaned, and the joint bar and bolt threads must be lubricated.
5. Safety standards require operation on rails with all track bolts missing or failing.
Types of Track Bolts:
Button head oval neck track bolt |
Material: Carbon steel |
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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’ drawings |
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. |
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