Fishtail Bolts (Fish Bolts) are mostly used in rail joint bar (Railway Fishplates) for fixing purposes.At least two fish bolts are required for each rail fishplates. Sometimes, hexagon bolts can be used instead.
Fishtail Bolts
Fishtail Bolts
Product Description
Rail Fishtail Bolts
List of Fishtail Bolts.Please click to get detailed product information.
Ps:Accept customized. Fishtail Bolts pecifications could be customized as clients' requests.
Detailed Product Information
Fishtail bolt components
Fishtail bolts, mechanical parts, cylindrical threaded fasteners with nuts.
Bolt: A type of fastener consisting of a head and a screw (cylinder with external thread), which needs to be matched with a nut to fasten and connect two parts with through holes. This type of connection is called bolt connection. If you unscrew the nut from the bolt, you can separate the two parts, so the fishtail bolt connection is a detachable connection.
For rail fishplates, fish tail bolts are divided into hooks with an oval neck and a diamond neck
Model of fishtail bolt
The models of fish tail bolts are Φ14×70, Φ16×75, Φ18×90, Φ20×90, Φ22×135, Φ24×135, Φ24×145, Φ24×170, etc. They are generally formed by hot pressing with a friction press, with a long buckle. 50mm, cold forging is also available.
Fishtail bolts specifications
| Type |
Diameter |
Length |
Weight (Kg) |
standard | Surface |
|
Button Head Oval Neck Fish Bolts |
1/2", 5/8, 3/4, 7/8, 1, 1-1/16, 1-1/8 |
1-3/4", 2", 2-1/4, 2-1/2, 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 6-1/2 |
0.097, 0.10, 0.112, 0.183, 0.328, 0.339, 0.356, 0.559,0.593, 0.8, 0.839, 0.879, 0.995, 1.186 |
GB, DIN, ISO, ANSI/ASTM, B7, BS, JIS etc |
Plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing |
|
Diamond Neck Fish Bolts |
7/8, 1 |
4-1/2, 5-1/4, 5-3/4 |
0.563, 0.651, 0.889, 0.895 |
||
|
Russian Standard Fish Bolt |
|
27x160 |
|
GOST 11530 |
|
|
Square Head Fish Bolt |
|
M20, L as ordered |
|
DIN5903-2 Type B |
Production Process
High quality Fishtail Bolts
The material of fish tail bolts are: Q235, 45# steel and insulated fish tail bolts and etc...
According to relevant standards, the performance grades of fishtail bolts are divided into more than 10 grades, such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9. Among them, fishtail bolts of grade 8.8 and above are made of low carbon alloy steel or medium carbon. Steel and heat-treated (quenched, tempered), commonly known as high strength fishtail bolts, the rest are commonly known as ordinary fishtail bolts.
Company Introduction
Fishtail Bolts manufacturer
In addition to producing the fish bolts mentioned above, Kingrail Parts can also produce fishtail bolts with different standards and requirements according to the drawings provided by customers.
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