Fishtail bolts are used to connect the ends of the rail with the help of rail joints. According to railway track standards, at least two fishtail bolts are required for each rail joint, and the bolts should be in the proper size and in the proper position.
Rail bolts are usually used with spring washers and nuts to fasten the rail. The size of the fish bolt changes with the change of the rail or the rail fish plate.
Specifications of Concrete Fishtail Bolt:
Standards: GB, DIN, ISO, ANSI/ASTM, B7, BS, JIS, etc.
Grade: 4.8, 6.8, 8.8, 10.9, 12.9
Material: Q235, 45#, 40Cr, 20Mntib, stainless steel, etc.
Size: M12-M24 or according to customer requirements
Length: 45mm-145mm or according to customer requirements
Surface: plain, black, galvanized or according to customer requirements
Purpose: Used to fix the fish plate of the guide rail on the guide rail.
If the buyer provides drawings or samples, non-standard OEM can be provided.
|Model||Specification||Material||Unit weight||Surface Treatment|
|M24*135 Fish bolt||Q235||0.65kg/pc||Plain or according to the requirement of customers|
|AREMA Fish bolt||7/8”*5-1/2”||45#||0.417kg/pc||Plain|
|AREMA Fish bolt||1”*5-1/4”||45#||0.579kg/pc||Plain|
|AREMA Fish bolt||1”*5-3/4”||45#||0.621kg/pc||Plain|
|AREMA Fish bolt||1”*5-7/8”||45#||0.631kg/pc||Plain|
1. BHON fish bolt
|Material||Q235, 35#, 45#,, 40Cr , C45|
|Grade||4.8, 8.8, 10.9|
|Size||22×135, 24×135, 24×145, etc.|
|Surface||Plain (oiled), Oxide black, Zinc, HDG|
BS standard, R54 rail in Indonesia, AS1085.4-1999,
Russian standard, AREMA standard, etc.
2. Cup head oval neck fishtail bolt
|Size||M18, M20, M22, M24, L as ordered|
|Materials||Middle carbon steel|
|Standard refers||AS 1085.4, 6&7|
3.Heavy Hex Head Frog Bolts
|Size||Dia.3/4"－1-3/8", Length up to 30"|
|Standard refers||ASTM A325|
|Surface treatment||Black, Zinc plated|
|Size||M16 to M48, L=100 to 500mm|
|Material||Q235, C35, C45, 35CrMo,42CrMo|
|Standard refers||DIN529, ISO898-1|
|Surface treatment||Oxide black, Zinc plated, Hot dip galvanized, Dacromet, Sherardized|
|Application||Anchored in concrete sleeper for K type fastening system|
5. Tunnel bolts
|Type||available by customers drawings and samples|
|Surface||Plain (oil ) black.Zin .HDG etc.|
|Types||Square flange bolts with round thread, Special curve bolt, Spear bolts with special pitches, etc.|