S-94705A767 3/4"-10 x 5 1/4" ASTM A193 Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 125,000 PSI tensile strength for reliable performance in high-stress industrial environments
• Superior corrosion resistance and durability through ASTM Grade B7 steel construction and Rockwell C35 hardness rating
• Optimized thread engagement with UNC coarse threading and Class 2A fit ensuring secure fastening in demanding applications
• Enhanced installation efficiency with external hex drive and 1 1/4" head width for easy tool access and torque application
• Precise load distribution through partially threaded design with 3 1/2" grip length for superior clamping force control
• Reduced vibration loosening with coarse thread spacing maintaining joint integrity in dynamic operating conditions
• Industry-standard compliance meeting ASTM A193 specifications for consistent quality and performance reliability

Professional Applications & Engineering Value

This 3/4"-10 UNC Grade B7 steel hex head screw delivers critical engineering solutions for heavy-duty industrial applications where failure is not an option. The ASTM A193 certified construction combines 125,000 PSI tensile strength with Rockwell C35 hardness to withstand extreme mechanical stresses in construction, machinery assembly, and structural frameworks. The partially threaded design with 3 1/2" grip length ensures optimal stress distribution across fastened joints, while the coarse UNC threading provides superior resistance to vibration-induced loosening. The external hex drive configuration enables efficient installation in confined spaces, making these industrial hex screws ideal for critical connections in pressure vessels, piping systems, and heavy equipment where reliability and high-strength fastening are paramount.

Specification Summary & Compliance

Manufactured to exacting standards with Class 2A thread fit tolerance for precise engagement, this fastener features 3/4"-10 UNC coarse threading with partial threading configuration. The 5 1/4" overall length and 1 3/4" thread length provide optimal fastening versatility. Compliance with ASTM A193 specifications ensures consistent material properties and performance characteristics, while the inch measurement system guarantees dimensional accuracy for North American industrial applications. The product meets industry standards for heavy-duty construction fasteners with verified mechanical properties including tensile strength and hardness ratings.