Rail fish plate also called splice bar, rail joints or rail joint bar, is a� metal bar that is welded into two rails in order to join them together. It is the most useful product and used in the construction of railway tracks for their sturdiness. Railway Fsihplate is widely used in light rail, heavy rail and crane rail. So if the quality of the railway fish plate is poor, the caused consequence would be unimaginable. As to the fastening system, fishtail bolt is the other important part and always firstly chosen in the part of fastening. In general, the rail fastening system is consist of fishtail bolt, flat washer and spring washer. Every two fish plates mostly need four or six suits of fishtail bolt. Standard Type Length/Diameter Weight /Material AREMA 2007 115RE 4 hole-24" 17.04Kg 45# chemical 115RE 6 hole-36" 25.56Kg composition(%): 132-136RE 4 hole-24" 17.75Kg C: 0.42-0.50 132-136RE 6 hole-36" 26.63Kg Mn: 0.50-0.80 UIC864 UIC60 4 hole-630/�¦26 18.07Kg Si: 0.17-0.37 UIC60 4 hole-600/�¦28 17.47Kg Cr: â?¤0.25 UIC60 4 hole-630/�¦25 18.1Kg P: â?¤0.035 UIC54 4 hole 14.34Kg S: â?¤0.035 UIC54 6 hole-800 19.94Kg BS 47-1 BS75R 4 hole 6.56Kg BS60A 4 hole 5.61Kg BS80A 4 hole 6.5Kg BS90A 685.8/�¦26 13.23Kg 50# chemical BS90A 792.9/�¦26.2 15.34Kg composition(%): BS100A 4 hole C: 0.62-0.70 90/91LB 4 hole 18.08Kg Mn: 0.50-0.80 90/91LB 6 hole 19.9Kg Si: 0.17-0.37 AS 50kg 4 hole 14.3Kg Cr: 0.25 50kg 6 hole 19.5Kg P: 0.035 S49 4 hole 9.71Kg S: 0.035