We supply ULS6 and ULS7 flat washer for screw spike. The surface of the ULS6 and ULS7 flat washer can be plain, zinc or hot dip galvanized. We can supply any type of flat washer from size M6-M150 according to your requirement.

The material used for the UIS6 and ULS7 washer is normally Q235.

Shanghai Bosheng Industries is specialized in the supplying of rails, turnouts and various rail fastening materials such as rail fishplate, tie plate, rail clips, screw spikes, rail anchors, rail shoulder, rail pads and so on.