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Product Introduction
The SKL fastener system is a key technical equipment for achieving reliable connection between rails and sleepers in railway track engineering. It consists of multiple functional components and firmly locks the rails through mechanical fastening. The system uses high-quality spring steel and high-performance engineering plastics, combined with advanced processing technology, so that the components have the characteristics of high strength, high elasticity and long life.
Butterfly rail SKL spring clip system is a relatively advanced and widely used fastening system in the field of railway track connection. It is named because its spring clip is shaped like a butterfly. It is a set of devices used to fasten the rails to the sleepers. Through its unique design and mechanical principles, it ensures that the rails remain in a stable position during the operation of the train, and can effectively buffer the impact force generated by the train load.

Structural composition
SKL spring clip: It is the core component of the system, made of high-strength spring steel and butterfly-shaped. The two ends of the spring clip fit tightly with the rails through specially designed hooks, and the middle part is connected to the sleepers or other track infrastructure through bolts and other components. Its elastic properties enable it to deform appropriately when the train passes to absorb and disperse the impact force.
Rail pad: Usually made of rubber, plastic or composite materials, it is placed between the rails and the sleepers. Its function is to further disperse the pressure transmitted to the sleepers by the rails, while providing additional elasticity and insulation performance to reduce wear and electrical interference between track components.
Bolts and nuts: Used to fix components such as spring clips and rail pads to the sleepers. These bolts and nuts are usually made of high-strength steel to ensure that they can withstand the various forces generated by train loads without loosening or damage during long-term use.
Other auxiliary parts: may include flat washers, spring washers, etc., which are used to increase the stability and reliability of the connection and prevent the nuts from loosening; there are also gauge blocks or guides to maintain the gauge and correct position of the rails and prevent the rails from moving laterally.
Specifications for ONE unit of SKL Clip rail fastening system

Product Application


As a professional service provider in the field of international trade of railway connectors, GNEE RAILWAY RAILWAY is committed to providing reliable procurement solutions for global customers. It integrates high-quality manufacturing resources at home and abroad, and its products cover all kinds of standard parts required for railway construction. We have established a strict quality traceability system to ensure that complete production information can be queried for each product. Equipped with a multilingual foreign trade team, we can provide customers with professional product consulting and technical support. The innovative "supply chain + logistics" integrated service model ensures on-time delivery of products.







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