S-93190A883 7/8"-9 x 2 3/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh industrial and marine environments
• Superior load-bearing capacity from 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under stress
• Optimized installation efficiency with coarse UNC threads and Class 2A fit, ensuring quick assembly and reduced cross-threading risks
• Maximum grip and holding power through fully threaded design, providing consistent clamping force along the entire 2 3/4" length
• Secure tool engagement with external hex drive and generous 1 5/16" head width, preventing slippage during high-torque applications
• Long-term reliability backed by compliance with ASME B18.2.1 manufacturing standards for dimensional accuracy and performance
• Environmental and regulatory safety through RoHS 3 and REACH compliance, ensuring suitability for regulated industries

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 316 stainless steel hex head screw delivers critical corrosion resistance in chemical processing, marine equipment, and outdoor infrastructure. The coarse UNC thread design combined with Class 2A thread fit enables rapid installation in high-vibration environments, reducing assembly time while maintaining joint integrity. Its fully threaded configuration ensures uniform stress distribution, preventing loosening in heavy machinery and structural frameworks. The external hex drive accommodates standard tools for secure fastening in confined spaces, making it ideal for high tensile strength requirements where durability and regulatory compliance are paramount.

Specification Summary & Compliance

This 7/8"-9 UNC hex head screw features precise Class 2A thread fit per ASME B18.2.1 standards, ensuring dimensional consistency and interchangeability. Manufacturing adheres to ASME B18.2.1 specifications for mechanical properties and geometry. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally sensitive and regulated industrial sectors.