Rail fastening system is used for fastening the steel rail and railway sleeper. The function of rail fastening system is to maintain the gauge and prevent the vertical and horizontal movement of rails relative to the position of the sleeper. A fastening system is usually consist of rail tie plate, spike, clip, rail anchor or other fasteners.
SKL Railway Fixing System
As for the components of SKL railway fastening system, including SKL rail clips, rail pad, screw spike, tie plate, washer, plastic dowel, track bolt and nuts, etc. According to the SKL clip rail fastener standard, we can provide SKL3, SKL12 and SKL14 type fastening systems, among which the SKL14 fastening system is the most widely used type.

| Specifications for ONE unit of SKL Clip rail fastening system | ||||
| Item | Quantity | Type | Material | Remark |
| SKL tension clip | 2 | skl1, skl3, skl12, skl14 | 60Si2CrA, 60Si2CrA, 38Si7 | Hardness: 42-47HRC |
| Standard: DIN17221, GB/T1222 | ||||
| Ss35 screw spike | 2 | M24×150mm | Grade 4.6: Q235 | Standard: ISO898-1 |
| Grade 5.6: 35# | UIC864-1 | |||
| Grade 8.8: 45# | NF F500-50 | |||
| Flat washer | 2 | Uls7 | Q235 | Standard: EN10025, EN10139 |
| Plastic dowel | 2 | For different sizes of screw spike | HDPE, Reinforced Nylon 66 (PA66) | For insert into concrete sleeper |
| Guide plate | 2 | UIC54, UIC60, 50kg rail, 60kg rail, | Reinforced Nylon 66 (PA66) | Different designs are available |
| and other sizes as ordered | ||||
| Rail pad | 1 | Size as ordered | EVA, or rubber | |
The Features of SKL Clip Rail Fasteners System
Reliable rail fastening: SKL clips are engineered to secure rails firmly in position, effectively preventing any shifting or loosening. This dependable fastening guarantees track stability and enhances railway safety.
Elastic design: The inherent elasticity of SKL clips allows them to accommodate rail expansion and contraction caused by temperature fluctuations. This flexibility reduces stress on the rail and lowers the risk of bending or cracking.

Vibration and noise reduction: Thanks to their elastic properties, SKL clips absorb a portion of the vibration and noise generated by passing trains. This not only improves passenger comfort but also minimizes overall track noise.
High strength and durability: Manufactured from high-grade spring steel, SKL clips deliver excellent strength, wear resistance, and corrosion resistance, ensuring long-lasting performance even under heavy loads.

Compliance with international standards: SKL clip rail fastening systems are designed to meet international and industry standards, ensuring consistent quality and reliable performance across diverse railway applications.
As a professional rail fastener manufacturer, GNEE RAIL can guarantee the quality of all the railway products. We have passed the certification of CRCC in China and ISO9001:2008 overseas. We also accept third party test from clients.Contact us for more product information.

