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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.

railroad dog spikes and screw spikes

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.

dog spikes and some drawing papers

  • 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.

screw spikes and some drawing papers

Ss series sleeper screw

ss series screw spikes

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,
or according to your needs.
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

square head screw spikes

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

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:
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

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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