Why Use Railway Fastening System in Railroad Track
Oct 09, 2025
A railway fastening system is an indispensable core component of modern railways and crane rails. Its main function is to firmly secure the rail to the sleeper or rail base, ensuring the stability of the track structure and the safety of train operation.
Using a railway fastening system not only maintains track gauge accuracy, but also effectively absorbs vibration and impact generated during train or crane operation, reducing wear on the rail, sleeper, and track bed, thereby extending the service life of the entire track system.
The railway fastening system works through key components such as rail clips, railway spikes, rail tie plates, rail anchors, rail rubber pads, and rail gauge rods, which cooperate to achieve load distribution, vibration and noise reduction, and optimized track elasticity. Through the combination of these components, the railway fastening system ensures that the track remains stable under high-frequency, high-speed, and heavy-load conditions.
Rail Fastening System Types: E-clip Fastening, P Fast Clip Fastening, Tension Clamp Fastening, Bolt Clamp Fastening, Tack Joint and Chairs Fastening, and Steel Spring Keyed rail in Chair Fastening etc.According to various rail fastening clip and clamp parts required, most popular rail fastening systems vastly used are: E Clip Rail Fastening System, N Clip Rail Fastening System, SKL Clip Rail Fastening System, KPO Clamp Rail Fastening System.
KPO Clamp Rail Fastening System
KPO rail fastening system is made up of Baseplate, Clamping plate, Clip bolt, Sleeper screw, Spring washer, baseplate size varies for different rail sections. KPO clamp rail fastening system can suit various rail track such as UIC54, UIC60, 50KG, 60KG, S49. It is very popular in the Europe market.
| Part name | Quantity | Type | Material | Finish | Remark |
|---|---|---|---|---|---|
| KPO clip | 2 | KPO3, KPO6, KPO9 | Q235 | Plain oiled | Standard: DIN5906 |
| HS bolt | 4 | HS26, HS32 | Grade4.6: Q235 | Plain oiled, black oxide, galvanized, hot dip galvanized | Diameter: 22mm or 24mm. |
| Grade5.6: 35# | Length: 55mm, 65mm, 75mm, 90mm | ||||
| Grade8.8: 45# | Standard: UIC864-2 | ||||
| Hex nut | 2 | As ordered | Grade 5: 35# | Standard: DIN985 | |
| Grade 8: 45# | |||||
| Double coil spring washer | 2 | As ordered | 65Mn | Standard: UIC864-3 | |
| screw spike | 2 | M24×150mm | Grade 4.6: Q235 | Plain oiled, black oxide, galvanized, hot dip galvanized, Dacromet and sherardized. | Standard: ISO898-1, UIC864-1 and NF F500-50 |
| M24 ×160mm | Grade 5.6: 35# | ||||
| M24 ×180mm | Grade 8.8: 45# | ||||
| or other length as ordered | |||||
| Base plate | 1 | UIC54,UIC60, 50kg rail, 60kg rail,S49 in ordered size | Casting iron QT500-7, QT450-10, or forging low carbon steel or high carbon steel | Plain oiled | Standard: UIC864-6 |
Rail fastening system is not only supplied as a whole set, GNEE RAIL can supply fastening parts separately. We supply the baseplate, rail clip, rail spike(dog spike and screw spike), rail bolt, spring washer. You can customize your order with the help of rail fastener professional.
Send your special customization requirements to GNEE.
