Industry knowledge

This fish bolt is manufactured as per ASTMA-183.
Track bolts come with heavy square nuts and Grade 2 heat treatment, with oval neck and diamond neck.
| Tensile Strength | 828Mpa (min) |
| Yield Strength | 635Mpa (min) |
| Elongation | 14%(min) |
| Material | 45# |
| Surface | Black |
| MOQ | 5000PCS |
| Packing | 200LB keg and wooden pallets or according to clients' requirement |
| Button Head Oval Neck Track 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 | 0.10 | 0.112 | 0.183 | 0.328 | 0.339 | 0.356 | 0.559 | 0.593 | 0.8 | 0.839 | 0.879 | 0.995 | 1.186 |
| Diamond Neck Track Bolts | ||||
| Diameter | 7/8 | 7/8 | 1 | 1 |
| Length | 4-1/2 | 5-1/2 | 5-1/4 | 5-3/4 |
| Weight (Kg) | 0.563 | 0.651 | 0.889 | 0.895 |
Notes on rail bolt installation
Notes on rail bolt installation
1. Use a special wrench during installation to avoid direct hammering that may damage the threads.
2. Tighten in the middle first and then on both sides to ensure uniform force.

GNEE RAILWAY RAILWAYL's rail bolt products are exported to five continents, covering more than 160 countries and regions, and the service scope covers various rail transit projects such as railway construction, subway engineering, urban light rail, etc. Our rich export experience gives us a strong advantage in dealing with certification standards, logistics solutions and after-sales guarantees in various countries.







