Similarities: 4-hole railway fishplate and 6-hole railway fishplate are the main fasteners for rail connection. They are used in conjunction with railway fishtail bolts. In terms of materials, there were two types of ductile iron and Q235 hot-rolled. The basic choice is ductile iron. It was replaced by hot rolling. The names are also more diversified due to different regions and customs. The general names are as follows: railway fish paltes,rail joint bar,rail splice bar,etc
Difference: Although the nature and function of the 4-hole railway fishplate and the 6-hole railway fishplate are the same, there are still differences. The holes are different, the 6-hole fishplate has 6 holes, and the 4-hole fishplate has 4 holes. In view of the different steel rail models, the coupling on the general heavy rail is called a 6-hole railway fishplate, and the one used for light rail connection is called a 4-hole railway fishplate.
I hope that by interpreting the above information, you can further increase your understanding of railway fishplates, and on the other hand, you can clearly understand when to use 6-hole fishplates and when to use hole fishplates. As a railway fastener factory, Kingrail Parts not only produces and provides railway fishplates, but also provides other types of railway parts, which are diverse in variety and reliable in quality, which can meet the needs of railway construction and maintenance companies for railway parts.