S-92240A584 5/16"-18 x 1 1/8" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• High tensile strength of 80,000 PSI ensures dependable performance under heavy loads and vibration.
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
• Fully threaded coarse UNC design delivers maximum grip and faster installation in a wide range of materials.
• Class 2A thread fit guarantees consistent, precise engagement and ease of assembly.
• External hex drive and hex head allow for high torque application with standard tools, reducing installation time.
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures product quality, safety, and environmental standards are met.

Professional Applications & Engineering Value

This 5/16"-18 UNC hex head screw is engineered from 18-8 Stainless Steel to address common industrial challenges such as corrosion, high stress, and assembly efficiency. The coarse thread and fully threaded design provide superior holding power in metal, wood, and composite applications, reducing the risk of stripping and ensuring a secure fit. With an external hex drive, it enables quick, high-torque fastening in machinery, construction, and automotive assemblies, minimizing downtime. The right-hand thread and precise Class 2A fit facilitate smooth installation, making it a reliable choice for heavy-duty fastening where durability and compliance with ASME B18.2.1 standards are critical.

Specification Summary & Compliance

This product features a thread fit of Class 2A for consistent dimensional accuracy, adhering to UNC thread standards with a size of 5/16"-18. It is manufactured in compliance with ASME B18.2.1 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial reliability.