P50 Railway Fish Plate 4-Hole / 6-Hole Rail Joint Bar

P50 Railway Fish Plate 4-Hole / 6-Hole Rail Joint Bar. Specialized for P50 and P65 rail profiles, with perfect GOST standard compliance and stable performance. Full coverage of international standards: UIC, BS, AREMA, NZR, GOST, for UIC54/60, BS, AREMA and other rail types. Available in both 4-hole and 6-hole configurations, with lengths ranging from 400mm to 1000mm. Manufactured from high-strength carbon steel with heat treatment, ensuring excellent tensile and fatigue resistance. Strict dimensional control guarantees accurate rail alignment and smooth, stable train passage. Heavy-duty design for mainline, freight, industrial and mining railways, reducing maintenance costs. Anti-corrosion surface treatment options, suitable for harsh outdoor environments and long-term use. Compatible with matching track bolts, forming a complete, reliable rail fastening solution. Meets all major railway standards with complete material certificates and test reports available. Customizable dimensions, hole patterns and grades according to customer drawings and project specifications.