S-92790A636 5/8"-11 x 3 1/4" ASTM A193 Super-Corrosion-Resistant 316 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh chemical and marine environments
• Exceptional mechanical strength delivering 75,000 psi tensile strength for heavy-duty load-bearing applications
• Reliable thread engagement with Class 2A UNC coarse threads ensuring secure fastening and reduced cross-threading risk
• Optimized torque transmission through the external hex drive design for easy installation with standard tools
• Enhanced durability with Rockwell B96 hardness providing excellent wear resistance and long service life
• Versatile partial threading allowing for precise clamping force control in various assembly configurations
• Industry compliance assurance meeting ASTM A193 Grade B8M specifications for high-temperature and pressure applications

Professional Applications & Engineering Value

This 5/8"-11 UNC hex head screw delivers critical engineering value in demanding industrial applications where corrosion resistance and mechanical integrity are paramount. The 316 Stainless Steel composition provides exceptional protection against chloride-induced stress corrosion cracking, making it ideal for chemical processing, marine equipment, and offshore installations. The coarse UNC thread profile ensures rapid assembly and reliable performance in vibrating environments, while the partial threading design allows engineers to precisely control clamp load distribution. With its external hex drive and substantial head dimensions, this fastener enables high-torque installation without stripping, significantly reducing maintenance cycles in heavy-duty industrial applications where downtime is costly.

Specification Summary & Compliance

This hex head screw features precision Class 2A thread fit with 5/8"-11 UNC coarse threading and partial threading up to 1-1/2". Manufactured from 316 Stainless Steel meeting ASTM A193 Grade B8M specifications, it delivers 75,000 psi tensile strength and Rockwell B96 hardness. The fastener complies with industry standards for dimensional accuracy and material properties, ensuring reliable performance in critical applications. Meets relevant industry specifications for material composition and mechanical properties.