The railroad bolt is one of the most important railroad fasteners in the railroad system. Typically, railroad bolts are used to fasten railroad track ends together at joints. The size of railroad bolts varies with the requirements of the rail section. The proper diameter and length of railway bolts can be determined by examining the applicable railway standards.
As a professional railway fastener manufacturer, we can produce various types of railroad bolts such as: round head oval neck railroad bolts, diamond neck railroad bolts, railroad bolts NF F50-008, fishtail bolts, Russian standard railroad bolts, clips Head bolts, collet bolts and plug-in bolts Russia, anchor bolts, T-bolt clamps and other railway special bolts.
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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’ 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. |
Standard for Railroad Bolt Application:
According to the relevant railroad track standard, each joint needs to be bolted to approximately 400 foot-pounds of torque on each rail with at least two railroad bolts, which creates 25,000 to 30,000 pounds of tension in the railroad bolts.
1. Railroad bolts in use must be of proper size and firmness.
2. The railroad bolts must be installed with AREMA spring washers and the nuts must be installed against the spring washers.
3. The railroad bolts must be installed, and the nuts must be installed alternately on the inside and outside of the rail.
4. When the railroad bolts and the 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 missing or failed rail bolts
6. The railroad bolt consists of a shaft with wood threads on one side and a shaft with metal threads on the other side, it also has a 7mm hex shape as part of the shaft, which can be easily wound to the end grain or into the shaft using a wrench or ring wrench. new column.
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