... .6, 5.6, 8.8, 10.9...Type: Ss5, Ss8, Ss25,SSs34,s35,Ss836, DHS35 1. Rail clip/ Tension clamp/ E, R ... ), black paint, color paint, zinc, HDG etc.2. Screw spike/Sleeper screw/ Coach Screw/ Drive screw/ Timber screw Type: Ss5. Ss8. Ss25. Ss36......Raw material: Q235 ... / Rail anchor bolt /Rail joint boltDiameter: M16-M30, 7/16''-1-1/2'', without length limitationRaw Material: Q235. 35K. 45#. 40Mn2. 20Mnsi ...