Products Description
Screw spike is also called sleeper screw, rail screw, through specific requirements such as length, diameter, drive head and thread profiles, the railway screw spikes can be classified into four types, including the Ss series sleeper screw, the square-head screw spike, the hexagon screw spike, and the double-head screw spike.
Manufacturing Process for screw spike:
Raw Material→Wiredrawing→Rod Cutting→Head Forming→Edge Cutting→Thread Rolling→Heating Treatment→Surface Treatment→Final Inspection→Packing→Shipment
| Type | Specification | Material | Surface | Standard |
|---|---|---|---|---|
| Square head screw spike | M22*145 | 45# 55Q Q235 or According to your needs. | Natural Zinc Paint Oil According to your needs. | UIC AREMA DIN GB or According to your drawings or samples. |
| M22*155 | ||||
| M22*165 | ||||
| M22*185 | ||||
| M22*195 | ||||
| Other kinds |
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Strict quality control process ensures product consistency
Each threaded spike must undergo layer-by-layer quality inspection, from raw material storage, precision machining, thread accuracy to heat treatment and anti-corrosion coating, all using strict process flow to ensure the consistency and stability of each batch of products and meet the railway industry standards of various countries.
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