Elastic clip/rail clip
1.type:e1609,e1809,e2009,e2055..
2.Fatigue test:5000000 times
3.Material:60Si2MnA
4.Hardenss:44~48HRC

sleeper screw
2.Standard:Ss5,Ss8,Ss23,Ss25,Ss36
3.Material:Q235,35#
4.Grade:4.6,4.8,5.6,5.8
5.QC:BV(Fr);SGS(Swiss)