S-92790A248 1/2"-13 x 3" 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 thanks to 316 stainless steel construction, ideal for harsh chemical and marine environments
• High mechanical strength with 75,000 psi tensile strength and Rockwell B96 hardness for reliable performance under heavy loads
• Excellent thread engagement provided by UNC coarse threading and Class 2A thread fit, ensuring secure fastening and vibration resistance
• Optimized load distribution through the partially threaded design with 1-3/4" grip length, reducing stress concentration
• Industry-standard compliance meeting ASTM A193 Grade B8M specifications for guaranteed quality and interchangeability
• Easy installation and removal with external hex drive and 7/8" head width, compatible with standard tools
• Dimensional precision with full 3" length and consistent 1/2"-13 thread size for accurate fit in industrial assemblies

Professional Applications & Engineering Value

These 316 stainless steel hex head screws deliver exceptional value in demanding industrial settings where corrosion resistance and mechanical integrity are paramount. The ASTM A193 Grade B8M certification ensures consistent performance in chemical processing plants, marine equipment, and food processing machinery where exposure to chlorides and acidic environments would compromise ordinary fasteners. The partially threaded configuration with UNC coarse threading provides optimal clamping force distribution while resisting vibration-induced loosening. With 75,000 psi tensile strength and external hex drive compatibility, these fasteners withstand extreme mechanical stresses while allowing for straightforward maintenance access in confined spaces.

Specification Summary & Compliance

This 1/2"-13 UNC hex head screw features precise Class 2A thread fit tolerances and coarse thread spacing per unified thread standards. Manufacturing complies with ASTM A193 Grade B8M specifications for chemical and mechanical properties, ensuring consistent performance in high-temperature and corrosive service conditions. The 3" length with 1-1/4" thread length provides versatile application coverage while maintaining structural integrity. Material composition meets industry standards for 316 stainless steel fasteners with appropriate certifications for industrial use.