rail screw

Shanghai Suyu Railway Fastener Co.,Ltd,as the biggest one manufacturer founded in 2003,covers 25000 square mesters,with production capacity 2500 ton each month,granted ISO9001:2000,supplying: 1.Rail fastener NameTyepMaterialGradesurfaceSleeperscrew(screw spikeSs5,Ss8,Ss23,Ss25,Ss36Q235,35#4.6,4.8,5.6plain,blackRail spike(dog spikeANSI,DIN,per drawingQ235,35#4.6,4.8,5.6plain,blackFish bolt(track boltANSI,DIN,per drawingQ235,35#4.6,4.8,5.6,8.8plain,blackT boltHS32,Hs26 per drawingsQ235,35#4.6,4.8,5.6,8.8plain,blackSquare head boltANSI,DIN,per drawingQ235,35#4.6,4.8,5.6,8.8plain,blackHex boltDIN933,DIN931,A325Q235,35#4.6,4.8,5.6,8.8plain,black 2.Rail elastic rail fastening system rail clip(rail clamp)TypeMaterialfinishedFatigue TestingE clip (Elastic clip) e1609,e1809,e1817,e2055,e2056,e2009,e2001, e2006.PR401.PR30960Si2MnAplain,black,red,ect5000000 timesSKL clip(tension clamp)SKL1,SKL3,SKL12,SKL14 38Si7. 60Si2CrAplain,black,red,ect5000000 times 3.other track materials Nylon insulatorPA66Per drawingsFish plate45#,50#for UIC60,UIC54 per drawingsrail tie plate/base plateQT400-15 .QT450-10 .QT500-7per drawingsDouble helical spring washerspring steelFe6,Fe15,per drawings