The SKL clip rail fastening system is designed to securely fasten railway tracks and ensure stable rail performance. Its core component, the SKL clip, is an elastic clamp that firmly holds the rail in place, preventing movement or deformation during train operation.
The system consists of several key components, including SKL clips, screw spikes, rail insulators, rail washers, and plastic dowels, among others. According to SKL clip rail fastening standards, GNEE RAIL provides multiple types of fastening systems, including SKL3, SKL12, and SKL14.
SKL rail fasteners system

| 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 | |
SKL12 Railway Elastic Clip Fastening System
The Vossloh SKL-12 fasteners are ballastless railroad fasteners and are separate fasteners for sleeper track panels without concrete shoulders. Its main structural features are as follows:

- Separate screw holes are respectively arranged at both ends of the ribbed substrate, and are connected with the sleeper/track plate by ballast bolts.
- A T-bolt insertion seat and a rail shoulder are provided on the ribbed substrate, and the elastic rail clip is fastened by tightening the nut of the T-bolt.
- Horizontal lateral adjustments are made using eccentric tapers of different sizes.
- The height of the steel rail can be adjusted by inserting the heightening rail pad.
With ISO and SGS certification, GNEE RAIL tries its best to save cost for each customer by upgrading our production equipment and testing facilities and quality management system to be more efficient, economical and good quality control ability.
GNEE RAIL also offers different kinds of railway fasteners to meet client's requirements, such as Elastic Rail Clip and Clamp, Rail Screw Spike, Plastic Dowel, High Tensile Track Bolt with Nut, Rail Base(Tie) Plate, Rail Fish Plate, Railway Shoulder(Insert), Fish Bolt, Railroad Rubber and EVA Pad, etc. Samples and drawings provided by customer, we will manufacture qualified products accordingly.
Click here to obtain the detailed product catalog of GNEE RAIL.

