S-94705A736 1/2"-13 x 5 1/2" ASTM A193 Steel Heavy Hex Head Screws for High-Pressure Applications
Steel Heavy Hex Head Screws for High-Pressure Applications
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional tensile strength of 125,000 PSI ensures reliable performance under extreme loads and pressures.
- High-temperature resistance from ASTM Grade B7 steel makes it ideal for demanding industrial and construction environments.
- Rockwell C35 hardness provides superior durability and resistance to wear and deformation over time.
- Partially threaded design with a 4 1/4" grip length offers precise clamping force and vibration resistance in assembled structures.
- Class 2A thread fit with UNC coarse threading allows for easy installation and consistent engagement in various materials.
- External hex drive and 7/8" head width enable secure, high-torque application using standard tools, reducing installation time.
- ASTM A193 compliance guarantees material quality and performance consistency for critical engineering applications.
Professional Applications & Engineering Value
This 1/2"-13 UNC Grade B7 steel hex head screw is engineered to address common challenges in heavy-duty and high-temperature settings, such as machinery assembly, structural construction, and pressure vessel systems. The partially threaded configuration optimizes load distribution, minimizing stress concentration and enhancing joint integrity. Made from ASTM A193 certified steel, it withstands thermal cycling and corrosive conditions, reducing maintenance needs. The coarse thread and external hex drive simplify installation in tough materials, ensuring efficient fastening for industrial and construction professionals who require dependable, high-strength bolting solutions.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including a Class 2A thread fit for consistent engagement and UNC coarse threading (1/2"-13) for reliable performance. It meets ASTM A193 specifications for material composition and mechanical properties, ensuring compliance with industry requirements for high-strength applications. The product is manufactured to support robust engineering use, with clear traceability for quality assurance in sectors demanding heavy-duty fasteners.
