S-92240A460 9/16"-18 x 1 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh environments and extended service life
• Exceptional mechanical strength with 80,000 PSI tensile strength and Rockwell B70 hardness for reliable performance under high stress
• Precise thread engagement with Class 2A fit and UNF fine threads, ensuring secure fastening and vibration resistance
• Optimized for high-torque applications featuring an external hex drive and 13/16" head width for easy installation with standard tools
• Full threading along the 1-1/2" length provides maximum grip and uniform load distribution across the entire fastener
• Compliance with major industry standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict regulatory requirements

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 18-8 stainless steel hex head screws deliver critical performance where corrosion resistance and structural integrity are paramount. The UNF fine thread configuration with Class 2A fit provides superior resistance to vibrational loosening in machinery, automotive assemblies, and structural frameworks. The combination of 80,000 PSI tensile strength and external hex drive design ensures reliable fastening in high-stress applications while allowing for efficient installation with common wrenching tools. These fully threaded fasteners maintain consistent clamping force across the entire 1-1/2" length, making them ideal for precision equipment manufacturing, marine applications, and chemical processing installations where material compatibility and long-term reliability are essential.

Specification Summary & Compliance

This 9/16"-18 UNF hex head screw features precision Class 2A thread fit with fine thread spacing and right-hand threading. Manufactured to ASME B18.2.1 specifications for dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications.