SKL Series Rail Fastening System
The SKL Series Rail Fastening System is an elastic fastening solution used to fix rails to concrete sleepers, ensuring stable track gauge, reliable clamping force, and effective vibration absorption under dynamic train loads. It is widely applied in high-speed railways, metro systems, and heavy-haul lines for both new construction and track maintenance...
- Product Introduction
The SKL Series Rail Fastening System is an elastic fastening solution used to fix rails to concrete sleepers, ensuring stable track gauge, reliable clamping force, and effective vibration absorption under dynamic train loads. It is widely applied in high-speed railways, metro systems, and heavy-haul lines for both new construction and track maintenance. 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 |
Product Advantages
Stable Clamping Force
Keeps rails secure under heavy loads
High Fatigue Resistance
Long service life in busy rail lines
Vibration & Noise Reduction
Protects sleepers and improves ride
Proven Design
Used globally in railway projects
Easy Installation
Standardized parts save time
Product Quality
We understand that product quality is the foundation of long-term cooperation. As our products are used in the railway industry, where safety and reliability are critical, quality control is never compromised. Each SKL rail fastening system is produced under strict quality control to ensure consistent performance, safety, and long-term reliability.


Packaging & Transportation
With customers in both domestic and international markets, our product packaging is designed to meet the requirements of long-distance transportation. We use wooden crates, steel pallets, and woven bags to ensure moisture resistance and impact protection during shipping. Packaging solutions can also be customized according to shipment volume and specific customer requirements.

FAQ
Q1: What is the main function of the SKL Rail Fastening System?
A: It securely fixes the rail to the sleeper while maintaining correct gauge and absorbing vibration.
Q2: Which SKL clip models do you supply?
A: We supply SKL3, SKL12, SKL14, and other models based on project requirements.
Q3: Is the SKL system suitable for high-speed or heavy-haul railways?
A: Yes, it is widely used in both high-speed and heavy-haul railway applications.
Q4: What rail standards are compatible with the SKL system?
A: UIC54, UIC60, 50kg, and 60kg rails are supported, with customization available.
Q5: What surface treatments are available for SKL clips?
A: Common options include phosphating, protective coating, and galvanizing for corrosion resistance.
Q6: How can I request a quotation or technical support?
A: Please email us with your rail type, quantity, and project requirements, and our team will respond promptly.
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