S-92790A651 3/4"-10 x 4 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, ideal for harsh environments and chemical exposure
• Exceptional tensile strength rated at 75,000 PSI for reliable performance in high-stress applications
• Precise Class 2A thread fit ensures easy assembly and secure fastening with reduced risk of cross-threading
• Optimized load distribution with partial threading and 2 1/2" grip length for enhanced joint stability
• Heavy-duty external hex drive with 1 1/4" head width for high-torque installation and removal
• Industry-standard compliance with ASTM A193 and Grade B8M certification for guaranteed quality and reliability
• Coarse UNC threading provides quick installation and superior resistance to vibration loosening

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 3/4"-10 UNC hex head screw delivers exceptional performance where corrosion resistance and structural integrity are critical. The 316 stainless steel composition provides superior protection against chemical corrosion and extreme temperatures, making it ideal for marine environments, chemical processing equipment, and offshore installations. The partial threading design combined with Class 2A thread fit ensures optimal stress distribution across the fastened joint, preventing material fatigue and maintaining clamping force under dynamic loads. With its external hex drive and coarse UNC threads, this fastener enables rapid installation in structural assemblies, heavy machinery, and pressure vessel applications where ASTM A193 compliance is mandatory for safety and performance assurance.

Specification Summary & Compliance

This heavy-duty hex head screw features precise Class 2A thread fit with 3/4"-10 UNC coarse threading in the inch measurement system. Manufacturing adheres to ASTM A193 specification with ASTM Grade B8M certification, ensuring material integrity and performance consistency. The fastener meets industry standards for dimensional accuracy with partial threading configuration, 1 3/4" thread length, and overall 4 1/4" length. Compliance with RoHS and REACH environmental regulations is maintained, while mechanical properties including 75,000 PSI tensile strength and Rockwell B96 hardness are verified through rigorous quality control processes.