10.9s Torsion Shear High Strength Structural Steel Bolt Assemblies Black Phosphated

10.9s Torsion Shear High Strength Structural Steel Bolt Assemblies Black Phosphated. 10.9S High Strength Grade Designed for high-strength structural steel connections requiring reliable fastening performance. Torsion Shear Type Torsion-controlled installation helps achieve consistent bolt tightening performance. Complete Bolt Assembly Supplied as a matched connection assembly for convenient installation and use. Black Phosphated Finish Black phosphate treatment provides a durable surface finish and enhanced surface protection. High Strength Construction Suitable for demanding structural fastening applications with high load requirements. Reliable Torque Control Designed to support controlled installation and consistent joint performance. Structural Steel Applications Ideal for steel structures, bridges, buildings, industrial facilities and heavy engineering.