What railway fastening make up the SKL railway fastener system
Oct 09, 2025
The rail fastening system is an important part of the railroad track structure composed of various rail fasteners (OTM materials). Its main function is to firmly fix the rails on the sleepers or track plates to ensure the stability of the rails.
The rail fastening system can withstand the vertical, horizontal, and longitudinal forces generated during the train's operation. At the same time, it has a certain elasticity to buffer vibration and noise, ensuring the smoothness and safety of the train's operation.

The fastener system can be divided into multiple types according to the track type, usage scenario, and material, and is equipped with different components.SKL rail fastening systems are known for their excellent fatigue resistance and stability and are widely used in European railway systems. It applies to high-speed railway and urban rail transit.

There are three kinds of SKL Fastening System, SKL3, SKL12 and SKL14. It is consist of SKL tension clip, Ss35 screw spike, flat washer, plastic dowel, guide plate and rail pad. The specification is as the following:

| Item | SKL tension clip | Ss35 screw spike | Flat washer | Plastic dowel | Guide plate | Rail pad |
|---|---|---|---|---|---|---|
| Quantity | 2 | 2 | 2 | 2 | 2 | 1 |
| Material | 60Si2CrA, 60Si2CrA, 38Si7 | Grade 4.6: Q235 Grade 5.6: 35# Grade 8.8: 45# |
Q235 | HDPE, Reinforced Nylon 66 (PA66) | Reinforced Nylon 66 (PA66) | EVA, or rubber |
As a professional rail fastener supplier, GNEE RAIL can provide quality and safe rail fastening system for different rail track. We can offer Clip Type Fastening System, SKL Rail Fastening System, KPO Rail Fastening System, Spring Blade Fastening whether for high speed rail track, normal rail or subway. Our product has good performance of keeping certain rail gauge and horizontal position. Good elasticity lowers the transmission noise and the simple structure of fastening system makes it easy to replace the accessories. We are committed to manufacture reliable product for global customers.







