Railroad Spikes
Railroad spike, or called track spike, is a large nail with an offset head that is used to secure steel rails and base plates to railway sleepers in the track. Generally speaking, railroad spikes have various shapes serving for different functions, such as dog spike, screw spike, Ss series sleeper screw, square head screw spike, hexagon screw spike, double-head screw spike and so on. Among these various railroad spikes, dog spikes and screw spikes are the most two common types.
The material for railroad spikes production can be carbon steel or stainless steel based on different requirements. According to customers’ needs, the surface of the spikes can be plain, black, hot dipped galvanized, or sherardized, etc.
Dog spike
Dog spike is also called cut spike, as its name, dog spike has an L-shaped head which looks like a dog’s head and a square shank whose head is sloped to fit the top surface of the rail base. In general, spikes with various sizes are provided to meet the different requirements of penetrating length of spikes. For smaller rail sections, the 5/8”*6” and the 9/16”*5-1/2” are the most two common types of dog spikes, and they are usually packaged in either 200 lb. kegs or 50 lb. kegs.
- Specification: 5/8×6 '', 9/16×5-1/2 '', 3/8''×3-1/2 '', 1/2×3-1/2 and other kinds.
- Material: A3, Q235, 45#, 55#, etc.
- Surface: According to customer’s needs.
- Standard: According to customer’s drawings or samples.
Screw spike
Railroad screw spikes are usually used to fasten concrete rail sleepers, and they can be screwed in plastic ferrules that casted into concrete rail sleepers. Unlike dog spikes, rail screw spikes can be various from thread profiles, lengths, diameters and drive heads based on different international standards and specific geographic requirements.
Ss series sleeper screw
Ss series sleeper screw is one of our best selling products, below are the dimensions of Ss series sleeper screws:
Type | Specification | Weight/kg | Surface | Standard |
---|---|---|---|---|
Ss1/130 | M22*130 | 0.451 |
Natural, Zinc, Paint, Oil, or according to your needs. |
UIC, AREMA, GB, or according to your drawings or samples. |
Ss1/150 | M22*150 | 0.478 | ||
Ss2/180 | M22*180 | 0.595 | ||
Ss5/150 | M24*150 | 0.545 | ||
Ss6/150 | M26*150 | 0.702 | ||
Ss7/180 | M24*180 | 0.636 | ||
Ss8/140 | M24*140 | 0.528 | ||
Ss8/150 | M24*150 | 0.548 |
Square head screw spike
As its name, this type of railroad spikes has a square head on one side and screw thread on the other side.
Type | Specification | Material | Surface | Standard |
---|---|---|---|---|
Square head screw spike | M22*145 | 45# | Natural | UIC |
M22*155 | 55Q | Zinc | AREMA | |
M22*165 | Q235 | Paint | DIN | |
M22*185 | or | Oil | GB | |
M22*195 | According to your needs. | According to your needs. | or | |
other kinds | According to your drawings or samples. |
Hexagon screw spike
Hexagon screw spikes include several different sizes such as: M22*145, M22*155, M22*165, M22*185, M22*195 and so on. Below are the parameters of hexagon screw spikes:
Grade | 4.6 | 5.6 | 8.8 | 10.9 |
---|---|---|---|---|
Material | Q235 | 35# | 45# | 40Cr |
Mechanical |
Tensile strength: 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 | ||||
Without Crack | ||||
Surface | Plain (oiled) , Oxide black, Zinc, HDG, Wax, Bitumen, Dacromet, Sherardizing |
Double-head screw spike
As its name, double-head screw spike has two screw heads on both sides. Double-head screw spike are often used with Nabla clip fastening system, especially popular used in Africa. To meet the strict bending requirement, special raw material is applied by straightening it without any crack after bending 30 degrees or even more.
Size | 23×174 |
---|---|
Grade | 4.6, 5.6, 8.8, 10.9 |
Raw Material | Q235, 35#, 45# |
Surface Treatment | Plain (oiled), Bluing, Zinc, HDG, etc. |
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