S-94705A423 3/4"-10 x 2 1/2" 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, reducing the risk of fastener failure in critical applications.
• Grade B7 steel construction with Rockwell C35 hardness provides superior durability and resistance to wear, extending service life in harsh industrial environments.
• Fully threaded 3/4"-10 UNC coarse spacing offers quick assembly and strong holding power, ideal for heavy-duty connections that require speed and security.
• Class 2A thread fit guarantees consistent, precise engagement with nuts and tapped holes, minimizing cross-threading and installation errors.
• External hex drive and hex head design allows for easy installation and removal with standard tools, enhancing efficiency in maintenance and assembly operations.
• Compliance with ASTM A193 specifications ensures material quality and performance consistency, meeting rigorous industry standards for high-stress applications.
• Right-hand thread direction and coarse thread spacing provide robust fastening in materials where vibration resistance and quick disassembly are essential.

Professional Applications & Engineering Value

Engineered for high-stress industrial applications, this Grade B7 steel hex head screw addresses common challenges like vibration loosening and material fatigue. Its fully threaded 3/4"-10 UNC coarse thread design ensures maximum grip and load distribution, making it ideal for heavy machinery, structural assemblies, and pressure vessel systems. The ASTM A193 compliance and 125,000 PSI tensile strength provide assurance in critical environments, such as oil and gas, construction, and power generation, where failure is not an option. By combining high hardness (Rockwell C35) with precise Class 2A thread fit, it minimizes installation issues and enhances long-term reliability, reducing downtime and maintenance costs in demanding operations.

Specification Summary & Compliance

This fastener adheres to Class 2A thread fit for consistent dimensional accuracy and features 3/4"-10 UNC coarse threads in a right-hand direction. Manufactured to meet ASTM A193 specifications for material and performance, it ensures reliability in high-temperature and high-pressure applications. The product conforms to industry standards for inch system measurements and is designed for compatibility with common industrial requirements, though specific RoHS or REACH declarations should be verified per batch. Its fully threaded design and external hex drive support efficient assembly in accordance with recognized engineering practices.