S-94705A734 1/2"-13 x 5" ASTM A193 Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Exceptional tensile strength of 125,000 psi ensures reliable performance under extreme loads and pressures
• High hardness rating of Rockwell C35 provides superior resistance to wear and deformation in demanding applications
• Coarse UNC threading with Class 2A fit enables quick installation and secure fastening in various materials
• Partially threaded design combines the strength of a full shank with the engagement benefits of threaded sections
• ASTM A193 Grade B7 compliance guarantees material quality and performance consistency for critical applications
• External hex drive configuration allows for high torque application using standard tools
• Optimized dimensions including 5" length and 7/8" hex head provide versatile application capabilities

Professional Applications & Engineering Value

This ASTM Grade B7 steel hex head screw delivers critical performance advantages for industrial and construction applications where failure is not an option. The combination of 125,000 psi tensile strength and Rockwell C35 hardness ensures these fasteners maintain integrity under sustained pressure and vibration. The 1/2"-13 UNC coarse threads with Class 2A fit provide excellent engagement in both metal and structural components, while the partially threaded design offers optimal clamp load distribution. These hex head screws are engineered to solve common challenges in pressure vessel systems, structural steel connections, and heavy machinery where high-strength steel bolts must withstand thermal cycling, mechanical stress, and corrosive environments without compromising joint security.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit tolerances with 1/2"-13 UNC coarse threading and 1-1/4" thread length. The fastener complies with ASTM A193 Grade B7 specifications for high-temperature service and meets industry standards for dimensional accuracy. Manufacturing follows strict quality controls to ensure consistent performance across all industrial hex screws, with full traceability and material certification available. The product maintains compliance with relevant industrial specifications for critical applications requiring verified material properties and mechanical performance characteristics.