Heavy-Duty Square Head Flange Screw Spikes for Railway Sleepers

Heavy-Duty Square Head Flange Screw Spikes for Railway Sleepers. Full range of rail spikes and track bolts, including screw spikes and fish bolts for railway applications. Multiple head types available: square head, hexagon head, T-head, round head and custom designs. Wide size coverage: screw spikes (Ss5/Ss8/Ss23/Ss25/Ss35) and bolts from M16 to M42. Length range from 80mm to 500mm, suitable for various sleeper types and fastening requirements. Compliant with major international standards: UIC, ISO, DIN, BS, ASTM, AS and GB/T specifications. High-strength carbon steel material, with professional heat treatment for reliable mechanical performance. Anti-corrosion surface treatment options, ensuring stable performance under harsh outdoor conditions. Strict dimensional tolerance control, ensuring perfect fit with rail fasteners and sleepers. Suitable for standard gauge, broad gauge and industrial railways, meeting global project requirements. Customizable size, material grade, head style and coating according to customer specifications.