Fish Bolt
Fish Bolt Profile:
- Name: Fish 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 upon customer request
- Length: 45mm-145mm or upon customer request
- Surface: Plain, black, zinc-plated, or according to customers’ requirement
- Usage: It is used to fix the rail fish plates onto rails.
- Non-standard OEM is available if the buyer provides a drawing or sample.
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Railway Fish bolt
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| Grade | 4.6 | 5.6 | 8.8 | 10.9 |
| Material | Q235 | 35# | 45# | 40Cr |
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Mechanical
properties
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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% | |
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Cold bending:
90 degree without crac
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Cold bending:
90 degree without crac
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Cold bending:
90 degree without crac
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Cold bending:
90 degree without crac
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| Surface | plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing | |||
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Standard
refers
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UIC864-2 | |||
As far as rail fish bolts are concerned, fish bolts with button head oval neck and diamond neck are most popular, with specifications as below:
Button Head Oval Neck Fish Bolt
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Diameter
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Length | Weight (Kg) |
| 1/2″ | 1-3/4″ | 0.097 |
| 1/2″ | 2″ | 0.10 |
| 1/2″ | 2-1/4 | 0.112 |
| 5/8 | 2-1/2 | 0.183 |
| 3/4 | 3 | 0.328 |
| 3/4 | 3-1/2 | 0.339 |
| 3/4 | 4 | 0.356 |
| 7/8 | 4-1/2 | 0.559 |
| 7/8 | 5 | 0.593 |
| 1 | 5 | 0.8 |
| 1 | 5-1/2 | 0.839 |
| 1 | 6 | 0.879 |
| 1-1/16 | 6 | 0.995 |
| 1-1/8 | 6-1/2 | 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. | ||