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SUYU specialize in producing rail fastening , track spikes are our main products , track bolt are used for splice bar connections , which are manufactured per ASTMA-183 . track bolts come with heavy square nuts . Grade 2 with heat treatment.
Tensile strength | Yield strength | Elongation |
828Mpa (min) | 635Mpa (min) | 14%(min) |
Below is some of our main products .
1. Button head oval neck track bolt
Diameter | 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 |
2.Diamond neck track 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 dimensions given inches
3.We produce the fish bolts according the the BS standard , which are applicable for fish plate of BS50. BS60R. BS70A .BS75A .BS75R .BS80A .BS80R .BS90A. BS90R. BS95A.BS95R. BS95N.
Nominal size | Thread length | Bolt length |
3/4 | 2 | 3-7/8 |
7/8 | 2-1/8 | 4-3/8 |
15/16 | 2-5/16 | 4-5/16 |
15/16 | 2-1/8 | 5 |
1 | 2-5/16 | 4-15/16 |
1 | 2-11/16 | 6-1/16 |
Note : All dimensions given inches
4.We produce the fish plate per AS1085.4-1999 , nominal thread diameter is M20/M22/M24 , thread of the fish bolts are finished square .a nominal 45 degree chamfer is to be provided to a depth slightly exceeding the depth of the thread , nut shall be in accordance with AS/NZS 1252 .
Chemical composition and mechanical properties are below :
C | Mn | P | S |
0.55(max) | 0.25(min) | 0.04(max) | 0.04(max) |
Tensile strength | Yield strength | Elongation |
800Mpa | 640Mpa | 12% |
As a leading manufacturer of rail fastening in China , SUYU also can produce many other railway fasteners , such as track spike . Sleeper screw . rail anchor .rail joint bar . tie plate .rail clips ,elastic rail clip .SKL tension clamp .rail shoulder and so on .
Sticking to the “quality first” policy, SUYU pays great attention to quality control management. We have granted ISO9001-2000 certificates and have got the production license of China’s Railway Ministry on railway products. We have a full set of inspection instruments which makes sure all the products produced by us should be of high quality and up to customers’ requirements.
SGS Certificate
Audited Supplier Certificate
Factory
Inspection Centre
Heat Treatment Line
M20/M22/M24 fish bolt/Track bolt/Rail joint screw for fish plate