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A wax-coated 15/16-inch screw spike is a specific type of railway fastener used to secure rails and tie plates to wooden or concrete railway sleepers. The wax coating acts as a lubricant, reducing friction during installation and providing corrosion resistance.
Construction and features
Construction and features
Dimensions: A 15/16" screw spike is available in various lengths. Common sizes include 15/16" x 6" and 15/16" x 6-1/2". The 15/16" measurement refers to the diameter of the spike's shank.
Wax coating: The wax or black oil finish is applied to the threaded part of the spike. It serves two primary purposes:
Lubrication: The wax eases the driving of the screw spike into the sleeper, especially in dense hardwood, and reduces the chances of stripping the screw's head.
Corrosion resistance: The coating helps protect the steel spike from moisture and environmental elements, extending its lifespan.
Head type: Screw spikes are available with different head types, such as square or hexagonal.
Material: These spikes are commonly made from low-carbon steel, often Q235, or higher-strength grades such as 35# or 45# steel for demanding applications.
Standards: High-tensile versions that meet or exceed standards ASTM A66.
Typical applications
Typical applications
Wax-coated screw spikes are primarily used for:
Wooden sleepers: They are particularly effective for fastening rail components to wooden sleepers, where the lubrication helps prevent damage to both the spike and the wood.
Railway track systems: They are an integral part of railway fastening systems, securing rails with rail clips and tie plates.
Wax-coated screw spikes are manufactured in strict accordance with industrial standards in Kunshan Signum Machinery Technology Co.,Ltd. The production process begins with carefully selected high-strength steel bars and includes thread rolling, head forming, debarring, and precision heat treatment to ensure uniform and stable mechanical properties of the spikes. The spikes then undergo a hot wax treatment and rigorous testing for hardness, dimensions, and load-bearing capacity, ensuring that each batch complies with UIC, AREMA, and BS international railway standards. Advanced equipment and process controls throughout the entire production chain ensure that spiral spikes maintain high reliability and durability under various operating conditions. In short, we are able to offer wax-coated screw spikes according to clients’ requirements or drawings with competitive price.
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