Track spike

Track spike, also known as rail spike, is a large nail with an offset head that is used to secure the rails and the base plate to the sleepers. In general, nails have different shapes and functions, such as dog spikes, screws, Ss series sleeper screws, square head screws, hexagonal screws, double-headed screws and other shapes. Among these various railway nails, dog spikes and screw nails are the two most common types.

Track spikes are made from carbon steel or stainless steel according to different utility. Meanwhile, the spikes’ surface can be plain, black, hot dipped galvanized, or galvanized to meet the customers’ requirement.

Dog spike

Dog spike has another name of cut spike. It features an L-shaped head that looks like a dog’s head and a with a square handle that is tilted to fit the top surface of the rail base. Typically, various sizes of nails are provided to meet the different requirements of the penetration length of the spikes. For smaller track sections, 5/8 "* 6" and 9/16 "* 5-1 / 2" are the two most common types of dog spikes, usually packed in 200 lb barrels or 50 lb kegs.

Screw spike

Screw spikes are usually used to fix concrete sleepers, so it is also called sleeper screw, rail screw or lag bolt. They can be screwed into the plastic ferrules casted in the concrete sleepers, or used in rails with wooden sleepers like in America and Canada. Unlike dog spikes, according to different international standards and specific geographical requirements, Screw Spikes are varied in thread profiles, length, diameter and drive head.

• 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.

Production Process of screw spikes

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

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 based on your needs.	UIC, AREMA, GB, or based on 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 the name implies, double-head screw spike has 2 screw heads on both sides of the nail. It is commonly used in Nabla clamping system, especially for Africa. In order to achieve strict bending standard, it adopts straightened special raw materials, which presents no crack after being bended for 30 degrees.

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.