railroad spike

Track spikes - a type of railroad spike

Track spikes are designed to maintain gauge between the running rails and also they are mean to secure the rail to the tie. Track spikes have various shapes serving for different functions. The materials for railroad spikes production can be carbon or stainless steel based on the requirement, and the surface of the spikes can be plain, black, hot dipped galvanized, or sherardized, etc. Among the various railroad spikes, dog spikes and the screw spikes are the most common types.

design of railroad spikes


    Specifications of rail spikes:
  • Name: railroad spike or track spike
  • Standards: GB, DIN, ISO, ANSI/ASTM, B7, BS, JIS etc
  • Grade: 4.8
  • Material: carbon steel
  • Size: 8mm-16mm or non-standard as requested
  • Length: 80mm-165mm or non-standard as requested
  • Surface: plain or as customer requirement
  • Package: bulk in carton, then on pallet, or according to customers' requirement
  • Non-standard OEM is available if you provide a drawing or sample.
  • Samples are free.

 

Dog spikes - a type of railroad spike

The dog spike is used to fasten T-shaped rail road track to wooden ties, which has an L-shaped head and square shank, and the underside of whose head is sloped to fit the top surface of the rail base. Spikes with various sizes are provided to meet the different requirements of penetrating length of spikes. The common track spikes are the 5/8”*6” and the 9/16”*5-1/2” for smaller rail sections, and they are usually secured in either 200 lb. kegs or 50 lb. kegs.

dog spike - a kind of railroad spike

Specification Material Surface Standard
5/8*6 '' A3,Q235, 45#,55#, etc According to customer needs.
According to customer’s drawings or samples.
 
9/16*5-1/2 ''
3/8''*3-1/2 ''
1/2*3-1/2
Other kinds

Screw spikes - a kind of railroad spike

Railway screw spikes are usually used to fasten railway ties or sleepers and also they also can be used in conjunction with plastic ferrules, casted into concrete ties /sleepers. Rail screw spikes can be various in thread profiles, lengths, diameters and drive heads based on specific geographic requirements.

Ss series Sleeper Screw

Ss series sleeper screw is one of our hot sales, with different dimensions as shown below

ss series screw spikea - kind of railroad spike

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

Square head screw spike

 
Type
 
Specification
Material Surface
 
Standard
Square head screw spike  M22*145
45#
 55Q
Q235
or
According to your needs.
 
Natural
Zinc
Paint
Oil
   According to your needs.
UIC
AREMA
DIN
GB
or
According to your drawings or samples.
 
M22*155
M22*165
M22*185
M22*195
Other kinds





Hexagon screw spike

Hexagon screw spike includes several different sizes such as:M22*145, M22*155, M22*165, M22*185, M22*195, and so on.

hexagon screw spike - kind of railroad spike

 

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


Double-head screw spike

The two-end-head screw spike is always 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.

double head screw spike - kind of railroad spike

  • Specifications:
  • 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

Manufacturing Process for screw spike:

Raw Material→Wiredrawing→Rod Cutting→Head Forming→Edge Cutting→Thread Rolling→Heating Treatment→Surface Treatment→Final Inspection→Packing→Shipment

Comparison of dog spikes and screw spikes

Firstly, the screw spikes provides more than twice of the holding power than that of the dog spikes. Secondly, The production cost of a screw spike is higher than that of a dog spike or dog nail. Thirdly, a screw spike can also be used together with a spring washer. No matter it is a dog spike or a screw spike, it will be the best spike, if it is used in the right place. For more information regarding the differences, please read this post.

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