Grade 4.6,5.6 And 8.8 To UIC864-1 Ss35 Sleeper Screw

The rail screw spike is a key fastening component used to secure rails to sleepers in the railway track system. It forms a strong mechanical bond with the sleeper through its threads, effectively preventing rail displacement or loosening. Compared to traditional rail spikes, screw spikes offer higher holding power, better vibration resistance, and reusability, making them widely used in high-speed railways, heavy-haul lines, and metro systems.

The Ss35 sleeper screw is one of the commonly used types in the Ss series, with a standard dimension of 24×161mm, and is typically applied in W14 fastening systems. Made of premium carbon or alloy steel with strength grades of 4.6, 5.6, and 8.8, it fully complies with UIC864-1 international standards. Through hot forging, tempering, and precision thread rolling, the Ss35 screw spike achieves superior tensile strength, yield strength, and fatigue resistance, making it suitable for long-term heavy-load railway operations.

If you have special requirements for dimensions or higher strength materials, please contact us for special custom production.

Installing the Ss35 screw spike requires adherence to specific procedures to ensure optimal performance and safety. Here are the general steps involved:

• Prepare the rail sleeper or concrete tie by drilling a precise hole according to the spike's specifications.

• Insert the Ss35 screw spike into the hole, ensuring it is securely positioned.

• Utilize appropriate tools, such as a wrench or spike maul, to tighten the screw spike until it is firmly fixed in place.

• Repeat the process for the remaining spikes, maintaining consistent spacing and alignment along the rail.

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GNEE RAIL has been deeply engaged in the railway fastener industry for many years, equipped with advanced automated production equipment and precision testing instruments. We supply a comprehensive range of railway fastening products, designed to meet the strength and installation requirements of high-speed railways, urban transit systems, and heavy-haul freight lines.

GNEE RAIL supports customized production services - customers can provide drawings or samples, and we will quickly complete production design and scheduling. The entire process is monitored through multi-stage quality inspections to ensure product consistency and performance.

With our philosophy of providing "premium quality at competitive prices" and our efficient delivery capability, GNEE RAIL has earned the long-term trust of railway clients worldwide, offering reliable and durable fastening solutions for global rail infrastructure projects.

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