S-92186A603 5/16"-18 x 5" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Exceptional tensile strength rated at 70,000 psi for reliable performance in high-stress applications
• Optimized coarse UNC threading ensures faster installation and reduced cross-threading risk
• Precision Class 2A thread fit guarantees consistent engagement and vibration resistance
• External hex drive design provides secure tool grip and high torque capability
• Partial threading configuration offers superior clamping force and joint stability
• Full regulatory compliance with ASME B18.2.1, RoHS 3, and REACH standards

Professional Applications & Engineering Value

This 5/16"-18 UNC hex head screw in 316 stainless steel delivers critical performance advantages for demanding industrial applications. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures reliable fastening in structural assemblies subject to vibration and dynamic loads. The coarse thread design provides superior resistance to loosening while enabling rapid installation in production environments. With its partial threading and external hex drive, this fastener excels in marine equipment, chemical processing systems, and food processing machinery where corrosion resistance and consistent clamping force are essential. The 5" length accommodates thick material sections while maintaining secure joint integrity.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit with UNC coarse threading (5/16"-18) and partial threading configuration. Manufacturing complies with ASME B18.2.1 specifications, ensuring dimensional accuracy and performance reliability. The fastener is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety standards for industrial use.