The Nabla Fastening System is an safe and reliable system, most widely used in Europe. It can be used in Tram, LRT, Metro, Main Line and High Speed tracks. The special shape of the Nabla blade generates a dynamically stable toe load on the rails when the nut is torqued.
Components:
| Item | Part Name | Pcs / Set | Types | Material |
|---|---|---|---|---|
| 1 | Nabla Clip | 2 | Thickness: 4mm or 4.5mm | 60Si2MnA 60Si2CrA |
| 2 | Rail Insulator | 2 | For Rail of UIC54,UIC60, 50kg rail,60kg. | Reinforced Nylon 66 or PA66 |
| 3 | Screw Spike | 2 | For Rail of UIC54,UIC60, 50kg rail,60kg. | Grade 4.6: Q235; Grade 5.6: 35# Grade 8.8: 45# |
| 4 | Nut | 2 | Can be customized | Grade 5: 35# Grade 8: 45# |
| 5 | Spring Washer | 2 | 18.25x34x78mm | 65Mn |
