S-94705A215 1/2"-13 x 3" 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 in high-stress applications, reducing the risk of fastener failure.
• High hardness rating (Rockwell C35) provides superior resistance to wear and deformation, extending service life in demanding environments.
• Coarse UNC threading with Class 2A fit offers quick assembly, excellent vibration resistance, and consistent clamping force.
• Partially threaded design allows for precise grip length control (1 3/4"), ideal for applications requiring specific unthreaded shank sections.
• External hex drive and hex head enable easy installation and high torque application with standard tools, improving installation efficiency.
• Compliance with ASTM A193 specifications guarantees material quality and manufacturing consistency for critical industrial uses.
• Robust steel construction delivers durability and corrosion resistance, suitable for heavy-duty mechanical and structural fastening.

Professional Applications & Engineering Value

Engineered for high-stress industrial applications, this ASTM Grade B7 hex head screw addresses common challenges like vibration loosening and mechanical fatigue. The steel material combined with Rockwell C35 hardness ensures it withstands extreme pressures and temperatures, making it ideal for pressure vessels, valves, and heavy machinery. The coarse UNC thread and Class 2A fit provide a secure, vibration-resistant connection that maintains integrity under dynamic loads. Its partially threaded design allows for optimal load distribution, reducing stress concentration points. This fastener is a reliable choice for engineers seeking high-strength bolts that meet rigorous ASTM A193 standards, ensuring safety and longevity in critical assemblies.

Specification Summary & Compliance

This 1/2"-13 UNC hex head screw features precise Class 2A thread fit and coarse threading per standard inch measurements, ensuring dimensional accuracy and compatibility. It complies with ASTM A193 specifications for material and manufacturing, supporting applications requiring high tensile strength and durability. The product adheres to industry standards for right-hand thread fasteners, with no specific RoHS or REACH claims provided, but it is designed for professional use where reliability and compliance are paramount.