S-92790A368 5/8"-11 x 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 in harsh environments thanks to 316 stainless steel construction
• Exceptional mechanical strength with 75,000 psi tensile strength for heavy-duty load-bearing applications
• Reliable thread engagement with Class 2A thread fit ensuring consistent assembly and vibration resistance
• Optimized for high-stress applications meeting ASTM A193 and Grade B8M specifications for pressure systems
• Easy installation and removal with standard 1 1/16" external hex head design
• Enhanced durability with Rockwell B96 hardness providing excellent wear resistance
• Versatile partial threading offering both gripping strength and adjustment flexibility

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this 5/8"-11 UNC hex head screw delivers critical performance where corrosion resistance and structural integrity are paramount. The 316 stainless steel composition provides exceptional protection against chemical exposure and marine atmospheres, while the ASTM Grade B8M certification ensures reliability in high-temperature and pressure applications. The coarse UNC thread pattern combined with Class 2A thread fit offers superior vibration resistance and easier assembly in challenging conditions. These heavy-duty fasteners are ideally suited for chemical processing equipment, marine hardware, oil and gas installations, and structural applications where 75,000 psi tensile strength and long-term performance are non-negotiable requirements.

Specification Summary & Compliance

This hex head screw features precise 5/8"-11 UNC coarse threads with Class 2A thread fit tolerance for consistent performance. Manufacturing complies with ASTM A193 specification for high-temperature service, with material certification to ASTM Grade B8M standards. The fastener meets industry requirements for right-hand threading and partial threading configuration with 1½" thread length and 2½" grip length. Compliant with RoHS and REACH environmental regulations for industrial use.