... and samples Raw material: 65Mn./ 0Si2Mn/Q235/45# Commodity: Double fasten washer Type : Fe6 /ULS6/ULS7.... all kinds ... supply as follows: Commodity: Double fastening washers for railroad1.rail clip,e,skl clip,elastic rail clip,tension clamp2.screw ... ,rail plate7.fish plate,rail joint bar8.clamp plate,rail clamp,anchor plate,steel sleepers9.rail pad,plastic dowel,guide plate10.rail anchor,rail ...