Railway Bolt Definition:
Railroad bolts are also called track bolts, which are used to fasten the two ends of the rail together at the rail joint to form a continuous railroad track.
The size of the rail bolt varies with the requirements of the rail section. The appropriate rail bolt diameter and length can be determined by checking the applicable railway standards.
Types of Railway Bolt:
Rail bolts can be divided into round head oval neck rail bolts, diamond neck rail bolts, rail bolts NF F50-008, fishtail bolts, Russian standard rail bolts, clamp bolts, clip bolts and latch bolts. Special bolts such as anchor bolts, T-bolt clamps, etc.
|
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. |
Application standards of Railway Bolt Fastening:
According to relevant rail standards, each rail joint needs to be bolted. There are at least two rail bolts in each rail, tightened to approximately 400 foot pounds of torque, and the bolt tension is between 25,000 and 30,000 pounds.
1. The rail bolts in use must be of appropriate size and fastened in place.
2. The rail bolt must be installed together with the AREMA spring washer, and the nut must be installed against the spring washer.
3. The rail bolts must be installed, and the nuts must be installed alternately on the inside and outside of the rail.
4. When the rail bolts and fishplates are opened, the connection area of the rail and the contact surface of the fishplates must be cleaned, and the connecting rods and bolt threads must be lubricated.
5. Safety standard requirements allow operation on all rails with missing or invalid rail bolts
Railway Bolt Suppliers
Kingrail Parts is the most professional manufacturer of railway fasteners in China. We mainly produce railway spikes, rail bolts, elastic rail clips, fishplates and other railway fasteners.
Please send your drawings and requirements. We can customize railway fasteners according to your requirements.
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