S-92240A314 5/16"-24 x 3" 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 industrial environments and outdoor applications
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for reliable performance under heavy loads
• Precise thread engagement with Class 2A UNF fine threads ensuring secure fastening and vibration resistance
• Easy installation and removal with standard 1/2" external hex head design compatible with common wrench tools
• Full 3" threading provides maximum grip length and uniform stress distribution across the entire fastener
• Regulatory compliance assurance meeting ASME B18.2.1 standards plus RoHS 3 and REACH environmental regulations
• Right-hand thread direction with standard UNF fine pitch for precise adjustment and secure fastening in critical applications

Professional Applications & Engineering Value

This 5/16"-24 UNF hex head screw delivers exceptional engineering value through its 18-8 stainless steel composition and Class 2A thread precision. The combination of 80,000 psi tensile strength and Rockwell B70 hardness ensures reliable performance in demanding industrial applications where vibration resistance and structural integrity are critical. The UNF fine threading provides superior clamping force distribution, making it ideal for machinery assembly, equipment manufacturing, and structural frameworks requiring precise torque specifications. The external hex drive design allows for high-torque installation without stripping, while the fully threaded 3-inch length offers maximum engagement in thick materials. These industrial hex screws are engineered to withstand corrosive environments while maintaining their mechanical properties, reducing maintenance frequency and total cost of ownership.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit with 5/16"-24 UNF fine threads in right-hand direction, manufactured to exacting inch system dimensions. The fastener complies with ASME B18.2.1 manufacturing standards for dimensional accuracy and mechanical properties. Environmental compliance is assured through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances. The combination of 80,000 psi tensile strength and Rockwell B70 hardness meets rigorous industrial requirements for durable, long-lasting fastening solutions.