... Insert; Railway Anchor 4) Rail Clamp/ Clamp Plate; 5) Railway Cast Shoulder; 6) Track Spike, Screw Spikes, ... 3. Screw Spike/Sleeper Screw/Rail ScrewType: Ss5, Ss8, Ss25, Ss36... all kinds are available according to ... : Q235, 35#, 45#, 40Mn2, 20MnsiGrade: 4.6, 5.6, 8.8Surface: Plain (oil), black, zinc, hdg ... Raw Material: Q235, 20#Surface: Plain (oil) 5. T Bolt /Track Bolt/Fish Bolt/Square BoltType: ...