Sleepers Parts Screw Spikes

Sleepers Parts Screw Spikes

The screw spike is also known as rail screw. As one kind of Rail spike, it is a metal screw for fixing rail fasteners. Screw spike is usually made of NO.3 steel. Because its nail rod surface has thread, so it is called screw spike. The pull-out resistance is 0.5 ~ 1.0 times larger than that of common rail spike, but the thrust resistance is 50% less. Due to disassembly and assembly inconvenience, it is difficult to adjust the rail gauge, which is generally used on the railway turnout.
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Description
Technical Parameters

Rail Screw Spike Fastening System

Screw Spikes Railway Steel Rail

Railway Screw Spike is a heavy-duty threaded anchoring component for concrete sleepers. It firmly holds rail fastening systems, resists dynamic stress, reduces maintenance needs, and is widely applied in high-speed railways, urban metros and heavy-haul transport lines.

Technical Specifications:

Item Specification
Product Name Railway Screw Spike
Material High-strength alloy steel
Surface Treatment Dacromet, galvanized, black oxide
Main Function Anchoring, anti-vibration, safety protection
Application High-speed rail, metro, heavy-haul railway
Core Features Safe, reliable, precisely processed, widely applicable
Elastic Rail Clamp

Installation & Maintenance Perspective:

  • Effectively restricts rail displacement under heavy train loads and strong vibration.
  • Reduces the risk of track component failure in long-term continuous operation.
  • Provides stable support for trains passing at different speeds safely.
  • Minimizes hidden dangers in key sections such as curves and turnouts.
  • Ensures overall operational safety of the entire rail transit system.

 

Maintenance & Operational Perspective

  • Adopts high-grade alloy steel with strict heat treatment for better strength.
  • Precision machining ensures accurate thread size and good fitting effect.
  • High hardness prevents thread slipping during installation and use.
  • Uniform internal structure avoids cracks under alternating stress.
  • Strict quality control ensures consistency of each single product.
Fastening System Rails Screw Spikes
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