S-92655A606 3/8"-16 x 4" 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 conditions
• Precision Class 2A thread fit provides consistent engagement and reduces cross-threading risks during installation
• Coarse UNC threading enables faster assembly and superior vibration resistance in demanding applications
• Partially threaded design offers optimal clamping force distribution and secure joint integrity
• External hex drive compatibility allows for standard tool usage and high torque application capability
• ASTM A193 Grade B8 certification guarantees material quality and performance consistency for critical applications

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 3/8"-16 UNC hex head screws deliver exceptional performance in critical fastening scenarios. The 18-8 stainless steel composition provides superior corrosion resistance, making them ideal for chemical processing, marine environments, and food processing equipment where moisture and corrosive elements are present. The coarse UNC threading ensures rapid installation and maintains secure connections in high-vibration machinery, while the partial threading design concentrates clamping force precisely where needed. With Rockwell B100 hardness and 75,000 PSI tensile strength, these hex head screws withstand extreme mechanical stresses in structural assemblies, heavy equipment, and pressure vessel applications, providing engineers with reliable fastening solutions that minimize maintenance requirements and extend service life.

Specification Summary & Compliance

These 4" length hex head screws feature precise Class 2A thread fit tolerances with 3/8"-16 UNC coarse threading and partial threading configuration. Manufactured to ASTM A193 Grade B8 specifications, they meet rigorous industrial standards for material composition and mechanical properties. The fasteners maintain dimensional accuracy with 9/16" head width and 15/64" head height for consistent tool engagement. Compliance with ASTM standards ensures material traceability and performance reliability for critical applications requiring certified components.