S-92198A936 1"-8 x 12" 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
• Exceptional strength and durability with 80,000 psi tensile strength and Rockwell B70 hardness to withstand heavy loads
• Secure and reliable fastening ensured by Class 2A thread fit and coarse UNC threading for vibration resistance
• Easy installation and removal with external hex drive and standard 1 1/2" head width for common tool compatibility
• Optimized load distribution through partially threaded design, reducing stress concentration points
• Full regulatory compliance with ASME B18.2.1, RoHS 3, and REACH standards for industrial safety and environmental responsibility
• Versatile 12" length accommodates thick materials and deep applications while maintaining structural integrity

Professional Applications & Engineering Value

This 1"-8 UNC hex head screw delivers critical engineering solutions for industrial applications where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel composition provides excellent protection against rust and chemical exposure, making it ideal for marine, chemical processing, and outdoor infrastructure projects. The coarse UNC thread pattern ensures rapid assembly and superior holding power in wood, metal, and composite materials, while the partially threaded design prevents material distortion and maintains clamping force under vibration. With 80,000 psi tensile strength, this external hex drive fastener handles extreme mechanical stresses in construction machinery, structural steel connections, and heavy equipment manufacturing, offering engineers a reliable heavy-duty fastening solution that meets rigorous industrial standards.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit with 1"-8 UNC coarse threading and right-hand thread direction, manufactured to exact dimensional tolerances. The product fully complies with ASME B18.2.1 specifications for hex bolts and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring both mechanical performance and regulatory adherence for industrial applications.