Fish Bolts
Fish bolt
Fish bolt belongs to the series of rail bolt, or track bolt, which are used to fix 2 fish plate connections onto 2 rail tracks, AGICO fabricate fish bolt using high quality steel materials,such as Q235, 45#, 40Cr, 20Mntib,even stainless steel, covers international standards according to BS, ASTM and DIN, among others.
Fish bolt can be manufactured for the following standards: BS 20M, 30M, 35M, 35R, 50 O, 60A, 75R, 80R, 80A, 95RBH, and 113A; DIN S10, S14, S18, S20, S24, S30, S49, UIC54, UIC60; and AREMA 40ASCE, 60ASCE, 75ASCE, 90ARA, 115RE. Typical fish bolt grades are: 4.8, 6.8, 8.8, 10.9, 12.9, surface treatment can be plain, black, zinc-plated.-Send us your drawing and we can produce it according to your requirements, you will get a free sample before the mass production.
Typical Rail Bolt Specifications
Railway Fish bolt |
Grade |
4.6 |
5.6 |
8.8 |
10.9 |
Material |
Q235 |
35# |
45# |
40Cr |
Mechanical properties |
Tensile strength: ≥400Mpa |
Tensile strength: ≥500Mpa |
Tensile strength:≥800Mpa |
Tensile strength: ≥1000Mpa |
Yield strength:≥240Mpa |
Yield strength:≥300Mpa |
Yield strength:≥640Mpa |
Yield strength:≥900Mpa |
Elongation:≥22% |
Elongation:≥20% |
Elongation:≥12% |
Elongation:≥9% |
Cold bending: 90 degree without crac |
Cold bending: 90 degree without crac |
Cold bending: 90 degree without crac |
Cold bending: 90 degree without crac |
Surface |
plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing |
Standard refers |
UIC864-2 |
There are 2 fish bolt types which has been produced most frequently: button head oval neck fish bolts and diamond neck fish bolt
Button Head Oval Neck Fish Bolt
Diameter |
1/2" |
1/2" |
1/2" |
5/8 |
3/4 |
3/4 |
3/4 |
7/8 |
7/8 |
1 |
1 |
1 |
1-1/16 |
1-1/8 |
Length |
1-3/4" |
2" |
2-1/4 |
2-1/2 |
3 |
3-1/2 |
4 |
4-1/2 |
5 |
5 |
5-1/2 |
6 |
6 |
6-1/2 |
Weight (Kg) |
0.097 |
0.1 |
0.112 |
0.183 |
0.328 |
0.339 |
0.356 |
0.559 |
0.593 |
0.8 |
0.839 |
0.879 |
0.995 |
1.186 |
Diamond Neck Fish Bolts
Diameter |
Length |
Weight (Kg) |
7/8 |
4-1/2 |
0.563 |
7/8 |
5-1/2 |
0.651 |
1 |
5-1/4 |
0.889 |
1 |
5-3/4 |
0.895 |
Note: All fish bolt dimensions given in inches. |
Other Fish Bolt Types and Details
Russian Standard Fish Bolt
Russia scale fish bolt |
Bolt Details |
Size |
27x160 |
Material |
Tensile stress 381KN |
Standard |
GOST 11530 |
Surface treatment |
Plain oiled |
Square Head Fish Bolt
Square head fish bolt |
Bolt Details |
Size |
M20, L as ordered |
Grade |
4.6, 5.6 |
Standard |
DIN5903-2 Type B |
Surface treatment |
Zinc plated, hot dip galvanized |