Rail Fastening Manufacturer in China—AGICO GROUP(1)

Rail Fastening Manufacturer in China—AGICO GROUP

A rail fastening  is a means of fixing rails to railroad ties or sleepers. The terms rail anchors, tie plates, chairs and track fasteners are used to refer to parts or all of a rail fastening system. Various types of fastening have been used over the years. GROUP AGICO is a professional rail fastening manufacturer in China, We will detail Intermediate fastenings: dog spike, screw spike, tie plate, rail pad, rail clip.

Dog Spike

A dog spike is functionally equivalent to a cut spike and is also square in horizontal section and of similar dimensions but has a pointed penetrating head, and the rail (or "plate holding") head has two lugs on either side (which aid spike removal) giving the impression of a dog's head.
GROUP AGICO as a professional rail fastening manufacturer in China,and in our workshop, various of sizes Dog spikes are available to be customized of the penetrating length of spikes. The commonly used spikes are the 5/8” ×6” and 9/16” ×5-1/2” for smaller rail sections, especially in North America, US market, usually packed in either 200lbs, 100lbs or 50lbs kegs.

Our dog spike or dog spikes are manufactured in accordance with a number of international standards such as GB, AREMA or ASTM, BS, UIC material, in either carbon or stainless steel.

Screw Spike

A screw spike, rail screw or lag bolt is a large (6 in or 152 mm length, slightly under 1 in or 25 mm diameter) metal screw used to fix a tie plate or to directly fasten a rail. Screw spikes are screwed into a hole bored in the sleeper. The screw spike has a higher cost to manufacture than the rail spike, but has the advantage of greater fixing power - approximately twice that of a rail spike - -and can be used in combination with spring washers.
The screw spike was first introduced in 1860 in France and became common in continental Europe.


A dog screw is a tradename variant of the screw spike.
GROUP AGICO is a professional rail fastening manufacturer in China,and the common types of screw spike include Ss series sleeper screw, square head screw spike, hexagon screw spike and double-head screw spike.The railroad spike is generally made of carbon steel or stainless steel. The common standards of railroad spike include GB, DIN, ISO, ANSI/ASTM, B7, JIS etc.