S-92655A621 1/2"-13 x 6" ASTM A193 18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
• High tensile strength of 75,000 psi ensures reliable performance under heavy loads and stress
• Coarse UNC threads with Class 2A fit provide faster assembly and reduced cross-threading risk
• Partially threaded design offers secure clamping with 4 3/4" grip length for precise joint control
• External hex drive and hex head allow for high-torque installation using standard tools
• ASTM A193 Grade B8 certification guarantees consistent quality and material integrity
• Rockwell B100 hardness delivers excellent durability and wear resistance

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 1/2"-13 UNC hex head screws provide critical solutions where corrosion resistance and high strength are paramount. The 18-8 Stainless Steel material withstands corrosive environments in chemical processing, marine, and food equipment, while the coarse thread design ensures rapid installation in structural assemblies and heavy machinery. With partial threading and substantial grip length, these fasteners maintain joint integrity under vibration and dynamic loads, making them ideal for pressure vessels, pump systems, and infrastructure projects requiring ASTM A193 Grade B8 compliance and reliable 75,000 psi tensile strength.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit with 1/2"-13 UNC coarse threads and 1 1/4" thread length. Manufactured to ASTM A193 Grade B8 specifications, it ensures consistent dimensional accuracy and mechanical properties. The fastener meets industry standards for material composition and performance, providing reliable compliance for industrial and construction applications requiring certified stainless steel fasteners with documented traceability.