S-92790A642 5/8"-11 x 6" 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 environments and chemical exposure
• Exceptional mechanical strength delivering 75,000 psi tensile strength for reliable performance under heavy loads
• Optimized thread engagement with Class 2A UNC coarse threads ensuring secure fastening and reduced cross-threading risk
• Enhanced durability from Rockwell B96 hardness providing excellent wear resistance and long service life
• Industry-standard compliance meeting ASTM A193 and ASTM Grade B8M specifications for guaranteed quality and reliability
• Efficient installation with external hex drive and 1 1/16" head width allowing high torque application with standard tools
• Versatile partial threading with 1 1/2" threaded section and 4 1/2" grip length for precise clamping force distribution

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 5/8"-11 UNC hex head screws in 316 Stainless Steel provide critical solutions where corrosion resistance and structural integrity are paramount. The ASTM Grade B8M certification ensures consistent performance in chemical processing, marine environments, and offshore installations where saltwater and aggressive media accelerate fastener degradation. The coarse thread design maintains secure connections in vibrating machinery and structural assemblies, while the external hex drive enables high-torque installation without stripping. With partial threading optimizing stress distribution across the 6" length, these fasteners deliver reliable clamping force in pressure vessels, pump systems, and heavy equipment where failure isn't an option.

Specification Summary & Compliance

This heavy-duty hex head screw features precise Class 2A thread fit with 5/8"-11 UNC coarse threads in right-hand direction, manufactured to inch system measurements. The fastener meets ASTM A193 specification requirements for high-temperature service and maintains compliance with industry standards for chemical composition and mechanical properties. Material certification includes ASTM Grade B8M classification with verified 75,000 psi tensile strength and Rockwell B96 hardness values, ensuring consistent performance across production batches for critical industrial applications.