Standard: BS 3692 (British Standard for precision hex bolts, screws, and nuts)
Thread Size: M52 (Metric thread, 52 mm nominal diameter)
Thread Pitch (Coarse): 5.0 mm (fine thread options like M52×4 or M52×3 available if specified)
Thread Type: ISO metric, 60° thread angle
Bolt Types Covered: Hex bolts, hex screws, and set screws (fully or partially threaded depending on length)
Material Grades: Typically available in 8.8, 10.9, or stainless steel for high-load applications
Tolerances: External thread tolerance 6g (medium fit per BS 3692)
Head Type: Hexagonal (standardized head dimensions per BS 3692)
Applications: Structural assemblies, energy sector, large machinery, shipbuilding, and civil engineering
M52 Bolt – BS 3692 Standard
