Rail fastening system is used to fix rails to railway sleepers.
As a professional railway fastener supplier, Kingrail Parts can provide a full range of w21 rail fastening system.
Our w21 rail fastening system mainly includes: SKL 21 rail clips, screw spike, tie plate, plastic dowel, rail pad.
Specifications:
| Part name | Type | Material | Finish | Remark |
|---|---|---|---|---|
| SKL21 tension clip | Dia. 13mm | 60Si2CrA, 38Si7 | Plain oiled, color painting, or the other required ones. |
Hardness: 42-47HRC Fatigue test: When the clip spring deflection reaches 9.1mm and the swing deflection is 1.42mm, the fatigue life will be 5 millions cycles without breaking. Standard: DIN17221, GB/T1222 |
| Ss35 screw spike |
M24×150mm M24 ×160mm M24×180mm |
Grade 4.6: Q235 Grade 5.6: 35# Grade 8.8: 45# |
Plain oiled, black oxide, galvanized, hot dip galvanized, Dacromet and sherardized | Standard: ISO898-1, UIC864-1 and NF F500-50 |
| Plain washer | Uls7 | Q235 | Plain oiled, black oxide, galvanized, hot dip galvanized, Dacromet and sherardized | Standard: EN10025, EN10139 |
| Plastic dowel | For different sizes of screw spike | HDPE, Reinforced Nylon 66 (PA66) | Black, blue, yellow, green or other color | For insert into concrete sleeper |
| Guide plate | UIC54, UIC60, 50kg rail, 60kg rail, and other sizes as ordered | Reinforced Nylon 66 (PA66) | Black, blue, yellow, green or other color | Different designs are available. |
| Rail pad | UIC54,UIC60, and size as ordered | EVA, or rubber | Black, blue, yellow, green or other color | Different designs are available |
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