Application Of Screw Spikes in Concrete Sleepers

Aug 04, 2025 Leave a message

In railway track systems, concrete sleepers combined with screw spikes form a solid foundation structure. As a professional railway fastener supplier, the screw spikes provided by GNEE RAIL play a crucial role in ensuring safe and efficient railway operation.

 

The screw spikes, with their threaded shanks, create a tight connection with concrete sleepers. Prior to installation, precisely sized holes must be drilled in the concrete sleepers and plastic sleeves are pre-embedded. When the screw spikes are threaded into these sleeves, the threads provide strong anchoring force, ensuring the spikes remain firmly in place without loosening. This connection method can withstand the tremendous vertical pressure and lateral impact forces generated by train operations, maintaining track stability.

 

Screw Spikes

 

In practical applications, screw spikes work in coordination with other railway fasteners. For example, they cooperate with rail clips and gauge plates - the rail clips tightly secure the rails while the gauge plates adjust and fix the track gauge. These three components work together to comprehensively ensure the stability of the track structure. Rubber pads are installed between the rails and concrete sleepers to cushion vibrations caused by train movement, reduce noise, and minimize wear on both rails and sleepers, thereby extending the service life of the track. Additionally, fish plates connect rail joints and work together with screw spikes and other components to form a solid, integrated track system. GNEE RAIL can provide complete sets of railway fasteners including SKL clips, KPO clamps, Nabla clamps, Fast Clips, Fist Clips, rubber pads, bolts and nuts, rail joints, fish plates, fish bolts, and more.

 

rail fasteners

 

GNEE RAIL offers a diverse range of screw spike products, including the SS series for standard sleepers, as well as hexagonal-head and square-head screw spikes designed for different environments. All products are manufactured from high-quality steel using advanced forging and heat treatment processes to ensure strength and durability.

 

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      

 

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    

 

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

 

With strict quality control, every screw spike meets international standards and can be perfectly adapted to both busy mainlines and complex branch lines. For more detailed product information, please contact us.