S-92790A230 1/2"-13 x 2 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 for long-lasting performance in harsh industrial environments
• Exceptional mechanical strength with 75,000 PSI tensile strength and Rockwell B96 hardness for demanding applications
• Precise thread engagement with Class 2A thread fit ensuring reliable assembly and vibration resistance
• Optimized installation efficiency through coarse UNC threading and external hex drive for quick assembly
• Material certification compliance meeting ASTM A193 Grade B8M specifications for quality assurance
• Versatile partial threading providing both gripping and clearance functions in single fastener design
• Heavy-duty construction with 7/8" head width and external hex drive for high-torque applications

Professional Applications & Engineering Value

These 316 stainless steel hex head screws deliver critical performance advantages in demanding industrial settings where corrosion resistance and mechanical strength are paramount. The ASTM A193 Grade B8M certification ensures material integrity for high-temperature and chemical processing applications, while the coarse UNC threading provides superior resistance to vibration loosening in heavy machinery and structural assemblies. The partially threaded design combines the benefits of a secure grip length with clearance threading, making these external hex drive fasteners ideal for pressure vessels, piping systems, and marine equipment where reliability under stress is non-negotiable. The 75,000 PSI tensile strength guarantees performance in critical load-bearing applications across multiple industries.

Specification Summary & Compliance

Manufactured to precise inch system measurements with Class 2A thread fit tolerance for consistent assembly performance. The 1/2"-13 UNC coarse thread configuration follows standardized threading specifications, while the ASTM A193 compliance ensures material quality and performance verification. These hex head screws feature right-hand threading direction and meet industry standards for mechanical properties, including hardness and tensile strength requirements. The manufacturing process adheres to strict quality controls for dimensional accuracy and material certification.