SKL series rail fastening system

SKL series rail fastening system

  • Size: skl12, skl14
  • Standard: SKL
  • Surface: Plain (oiled), black painting, Zinc, HDG
  • Packing: Double-layer woven bag + Free fumigation wooden pallet or according to clients

skl rail fastening system

Rail fastening system is a set of fasteners that used to connect steel rail and railway sleepers. Generally, the railway fastening system is required to have reliable connection, simple structure and features of elasticity, shock absorption and insulation. SKL rail fastening system is one kind of hot rail fastening system among the railway materials market. 

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. common sizes of SKL rail fastening system include SKL 12, SKL 14 and SKL 3 rail fastening system.

SKL 12

As a typical type of SKL rail fastening system, SKL-12 rail fastening system is normally used in the ballast less track, which belongs to the separate rail fastening system of sleeper track plate without concrete retaining shoulder. Its main structural features as follows:

  • Separate screw holes are arranged at both ends of ribbed plates and connected with railway sleeper/track plate by fork bolts.
  • The ribbed plate is provided with t-bolt insert seat and retaining shoulder, and the elastic clip is fixed by tightening the nut of t-bolt.
  • The horizontal and lateral adjustment is accomplished by using different sizes of eccentric heart taper pin.
  • High and low adjustment of rail can be realized by inserting high and low setting plate. 
skl12 rail fastening system


skl 14 rail fastening system

Specifications of SKL rail fastening system

  SKL tension clip Ss35 screw spike Flat washer Plastic dowel Guide plate Rail pad
Pieces required 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
Size skl1,skl3,skl12,skl14 M24×150mm Uls7 For different sizes of screw spike UIC54, UIC60, 50kg rail, 60kg rail, and other sizes as ordered  
NOTE Hardness: 42-47HRC 5 millions cycles without breaking. Standard: DIN17221, GB/T1222 Standard: ISO898-1, UIC864-1 and NF F500-50 Standard: EN10025, EN10139 To insert into concrete sleeper Customized products available.

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