Kunshan Alex Railway Fastening Co.,Ltd could produce the Spring terminal SB for the upper structure of the railway track:
- Designed for boltless rail fastening type SB-3 for fastening railway rails of any type (P65, etc.) to reinforced concrete sleepers;
- Four terminals of the same type are installed on one sleeper, which provide constant elastic pressing of the rail to the sleeper;
- Made of round (Ø16 mm) hot-rolled steel grade 60S2A or 42S2-PV;
- Weight: 0.73 kg (+-10%);
- Delivery: in bulk (without containers and packaging).