Application Of Screw Spike in WJ-8 Railway Fastener System

Aug 29, 2025 Leave a message

WJ-8 type fastener system is a kind of ballastless track fastener system developed to meet the technical requirements of passenger line, it is a special fastener system for laying all kinds of non-shoulderless track, which is optimized based on WJ-1 type and WJ-2 type ballastless track fastener system.

 

rail fastening

 

WJ-8 type The fastener system consists of a screw spike, a flat washer, a rail clip, an insulating block, a gauge baffle, a rail under the pad, an iron rail pad, an rail pad under the iron rail pad, and a pre-embedded sleeve positioned on the concrete sleeper or track plate.

 

Specifications for ONE unit of WJ-8 Rail Fastening system

 

rail fasteners
Specifications for ONE unit of WJ-8 Rail Fastening system
Item Quantity Material
Rail clip 2 60Si2MnA
Screw spike 2 20MnTiB
Flat washer 2 Q235A
Rail Insulator 2 PA66
Guide plate 2 Reinforced Nylon 66 (PA66)
Rail pad 1 EVA, or rubber
Tie plate 1 QT450-10
Plastic dowel 2 HDPE, Reinforced Nylon 66 (PA66)
Rail Adjustable Pad 2 PE
Tie Plate adjustable pad 2 PE

 

Screw Spike

 

A rail screw spike, also called sleeper screw, rail screw or lag bolt, is a medium or large metal screw used to fasten a rail base plate or rail.

 

Type Ss5, Ss 8, Ss25, Ss36, UIC864-1 Series, etc
Raw material Q235, 35 steel, 45steel, 40Mn2, 20 Mn Si
Grade 4.6, 4.8, 5.6, 8.8
Surface plain(oiled), black paint, color paint, zinc, HDG, etc

 

rail spike

 

Ss series Sleeper Screw

 

Type Specification Weight/kg Surface Standard
Ss 1/130 M22*130 0.451   UIC
Ss 1/150 M22*150 0.478 Natural AREMA
Ss 2/180 M22*150 0.595 Zinc GB
Ss 5/150 M24*150 0.545 Paint or
Ss 6/150 M26*150 0.702 Oil According to your drawings or samples.
Ss 7/180 M24*180 0.636 According to your needs.  
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      

 

GNEE RAIL also manufacture kinds of , Clip and Clamp, High Tensile Bolt with Nut and Washer, Rail Base(Tie) Plate, Rail Fish Plate, Rail Shoulder, Rail Screw and Spike, Fish Bolt with Nut and Washer, Rail Dowel, Rubber and EVA Pad, Crane Rail and Light Rail and Other rail fastening parts. Contact us for more product information.