S-92240A583 5/16"-18 x 1" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• High tensile strength of 80,000 PSI ensures reliable load-bearing capacity and joint integrity under stress.
• Class 2A thread fit provides consistent, smooth assembly with standard nuts and tapped holes.
• Coarse UNC threading offers faster installation and reduced cross-threading risks in various materials.
• External hex drive design allows for high-torque application using common wrenches.
• Full threading along the 1" length maximizes grip and adjustability in diverse applications.
• Rockwell B70 hardness enhances wear resistance and durability for long-term performance.

Professional Applications & Engineering Value

This 5/16"-18 UNC hex head screw in 18-8 stainless steel is engineered to address critical fastening challenges in demanding sectors. Its coarse thread and Class 2A fit ensure quick, secure assembly in machinery, structural frameworks, and equipment subjected to vibration and dynamic loads. The fully threaded design and external hex drive facilitate efficient installation and removal, reducing downtime in maintenance-heavy environments like manufacturing plants, marine settings, and outdoor infrastructure. With high tensile strength and corrosion-resistant properties, it provides a dependable solution for applications where failure is not an option, supporting operational safety and longevity.

Specification Summary & Compliance

This screw adheres to ASME B18.2.1 standards, with precise Class 2A thread fit and UNC coarse threading for consistent dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability in global supply chains.