S-92655A423 1/2"-13 x 3 1/2" 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 vibration
• Precise Class 2A thread fit provides smooth assembly and consistent clamping force
• Coarse UNC threading enables quick installation and superior resistance to loosening
• Partially threaded design offers optimal grip length for secure fastening in structural applications
• External hex drive allows for high-torque installation with standard tools
• ASTM A193 Grade B8 certification guarantees material quality and performance consistency

Professional Applications & Engineering Value

This 1/2"-13 UNC hex head screw delivers critical engineering advantages for industrial applications where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel composition combined with ASTM A193 Grade B8 certification ensures reliable performance in chemical processing, marine environments, and food processing equipment. The coarse thread design provides excellent vibration resistance while the partially threaded configuration maximizes clamping force across the 2 1/4" grip length. With 75,000 psi tensile strength and Rockwell B100 hardness, this fastener maintains structural stability in high-stress applications, preventing joint failure and reducing maintenance requirements.

Specification Summary & Compliance

This hex head screw features Class 2A thread fit tolerance for precise engagement, UNC coarse threading per standard specifications, and partial threading design. Manufactured in compliance with ASTM A193 Grade B8 standards, ensuring material quality and performance consistency for industrial applications requiring reliable fastening solutions.