The railway washer is used together with the rail bolt and nut.
We have both flat washer and spring washer available.
The spring washer is available in both single type, double or triple helical spring washer.
We have most of the common types of spring washer in stock:
Fe6 25mm double helical spring washer
Fe15 28mm double helical spring washer
The hardness of the spring washer is within HRC43-49 and the minimum height of the double spring washer will be 17.8mm after sustain in 10 seconds after applying force of 40KN.
Other special requirements should be advised upon request.
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.