What are the 2 main types of railroad spikes

At the early times, dog spike is commonly used when wooden sleepers is paved on the railway. However, with the concrete sleepers popularized, screw spike is more and more widely used. Railroad spike is mainly classified into two types: dog spike, screw spike.

 

Dog Spike

 

A dog spike equal to a cut spike in function, it has a square section in horizontal direction with a pointed penetrating head, which is similar to a dog's lugs. This is why it is called dog 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

 

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Screw Spike

 

There is screw on the surface of screw spike, it usually used with a plastic sleeve which is casted in the concrete sleepers. Screw spike can be classified into four types, Ss series Sleeper Screw, Square head screw spike, Hexagon screw spike and Double-head screw spike.

 

 

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Ss series Sleeper Screw

 

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#	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

 

Hexagon screw 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

 

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

 

GNEE RAIL offers different kinds of railway fasteners to meet client's requirements, such as Elastic Rail Clip and Clamp, Rail Screw Spike, Plastic Dowel, High Tensile Track Bolt with Nut, Rail Base(Tie) Plate, Rail Fish Plate, Railway Shoulder(Insert), Fish Bolt, Railroad Rubber and EVA Pad, etc. Samples and drawings provided by customer, we will manufacture qualified products accordingly.

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