Fish Bolt is used for the connection of Fish Plate. It have to burden shear force due to heavy transverse stresses, and will get loose by the traffic variations and require tightening from time to time. All standards of GB, UIC, BS, AREMA, ASCE, DIN, JIS are availbale.
Types of Fish bolt
Head type: Button Head Oval Neck Track Bolt , Diamond Neck Track Bolt, Square Head Track Bolt, Hexagon Head Bolt, ect.
Standard: GB, UIC, BS, AREMA, ASCE, DIN, JIS, etc.
Surface: Plain (oiled), Oxide black, Zinc, HDG, wax, etc.
Technical Specification:
| Grade | 4.6 | 5.6 | 8.8 | 10.9 |
|---|---|---|---|---|
| Material | Q235 | 35# | 45# | 40Cr |
| Tensile strength | ≥400Mpa | ≥500Mpa | ≥800Mpa | ≥1000Mpa |
| Yield strength | ≥240Mpa | ≥300Mpa | ≥640Mpa | ≥900Mpa |
| Elongation | ≥16% | ≥14% | ≥10% | ≥8% |
| Cold bending test | 90 degree without crack | 90 degree without crack | 90 degree without crack | 90 degree without crack |
