
10.9s High Strength Large Hex Head Structural Steel Bolt Assemblies. 10.9S High Strength Grade Designed for high-strength structural steel connections and demanding fastening applications. Large Hex Head Enlarged hexagonal head provides a larger bearing surface and reliable wrench engagement. Complete Bolt Assembly Supplied as a matched bolt, nut and washer connection assembly. High Strength Construction Provides reliable clamping performance for heavy-duty structural connections. Precision Threads Accurate thread dimensions support consistent installation and secure fastening. Structural Steel Application Suitable for steel buildings, bridges, industrial structures and heavy engineering. Reliable Connection Performance Designed for durable and secure structural fastening under demanding conditions.