railway base plate Standard: 115RE, UIC GB. Material:Q235,45# casting iron,etc Surface:plain Railway bolt: T bolt, Hs Clip Bolt, Track bolt, Hex boltscrew spike: ss5, ss8, ss25, ss36 and other speicications screw spikesElastic clips: E1609, E1809, E2005, E2007, E2055, SKL1, SKL3,SKL12, SKL14Rubber pad: R54 1435mm, R541067MM, R60 1435mm, ZW 687, ZW700Insulator: Pandrol series #7,#8, #9, #11,#12, # ...