S-92655A492 3/4"-10 x 3" 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
• Class 2A thread fit provides consistent, secure fastening with standard UNC nuts and tapped holes
• Partially threaded design offers optimal grip length control for precise joint clamping
• External hex drive enables high-torque installation with common wrenching tools
• ASTM Grade B8 certification guarantees material quality and mechanical properties for critical applications
• Coarse UNC threading allows for faster installation and better performance in softer materials

Professional Applications & Engineering Value

These 3/4"-10 UNC hex head screws deliver exceptional engineering value where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel composition combined with ASTM Grade B8 certification ensures reliable performance in chemical processing, marine environments, and food processing equipment where moisture and corrosive agents are present. The partial threading design provides precise unthreaded shoulder length for improved shear strength, while the coarse thread pitch enables quicker assembly in structural steel, heavy machinery, and industrial equipment applications. With 75,000 PSI tensile strength and Rockwell B100 hardness, these fasteners maintain clamping force under extreme vibration and thermal cycling conditions common in power generation and processing industries.

Specification Summary & Compliance

This heavy-duty hex head screw features 3/4"-10 UNC coarse threads with Class 2A thread fit tolerance for consistent mating with standard components. The fastener meets ASTM A193 specification requirements for high-temperature service and maintains ASTM Grade B8 certification for material composition and mechanical properties. Manufacturing complies with industry standards for dimensional accuracy, including precise head width (1 1/4") and thread length (1 3/4") specifications. The 18-8 Stainless Steel construction ensures compliance with RoHS and REACH environmental regulations for industrial applications.