What are the main types of railway screw spikes
Sep 30, 2025
Railroad spikes are a common type of rail fastener used to connect steel rail and railway sleeper. There are many types of spikes, including screw spikes and dog spike. From the appearance point of view, the more prominent difference between the screwl spike and the ordinary spike is that the surface of the spike has obvious thread. A thread is a shape having a uniform spiral protrusion on a section of the outer or inner surface of the solid.
According to its structural characteristics and uses, it can be divided into four categories.
Ss series Sleeper Screw: Ss 1/130, Ss 1/150, Ss 2/180, Ss 5/150, Ss 6/150, Ss 7/180, Ss 8/140, Ss 8/150.
| Type | Specification | Weight/kg | Surface | Standard |
| Ss 1/130 | M22*130 | 0.451 | Natural,Zinc,Paint,Oil. According to your needs. | UIC,AREMA,GB or According to your drawings or samples. |
| Ss 1/150 | M22*150 | 0.478 | ||
| Ss 2/180 | M22*150 | 0.595 | ||
| Ss 5/150 | M24*150 | 0.545 | ||
| Ss 6/150 | M26*150 | 0.702 | ||
| Ss 7/180 | M24*180 | 0.636 | ||
| Ss 8/140 | M24*140 | 0.528 | ||
| Ss 8/150 | M24*150 | 0.548 |
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Square head screw spike: UIC, AREMA, DIN, GB or According to your drawings or samples.
| Type | Specification | Material | Surface | Standard |
| Square head screw spike | M22*145 | 45# | Natural | UIC |
| 55Q | Zinc | AREMA | ||
| M22*155 | Q235 | Paint | DIN | |
| M22*165 | or | Oil | GB | |
| M22*185 | According to your needs. | According to your needs. | or | |
| M22*195 | According to your drawings or samples. | |||
| Other kinds |
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Hexagon screw spike: several different sizes such as:M22*145, M22*155, M22*165, M22*185, M22*195, and so on.
| Grade | 4.6 | 5 .6 | 8.8 | 10.9 |
| Material | Q235 | 35# | 45# | 40Cr |
| Mechanical | 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 | Cold bending: 90 degree | Cold bending: 90 degree | Cold bending: 90 degree | |
| without crack | without crack | without crack | without crack | |
| Surface | plain (oiled) , Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing | |||
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Double-head screw spike: two-end-head screw spike is always used with Nabla clip fastening system, especially popular used in Africa.
| Size: 23×174 |
| Grade: 4.6, 5.6, 8.8, 10.9 |
| Raw Material: 35# |
| Raw material: Q235, 35#, 45# |
| Surface Treatment: Plain (oiled), Bluing, Zinc, HDG, etc |
