S-94705A728 1/2"-13 x 3 1/4" 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 in high-stress industrial applications, reducing the risk of fastener failure.
- Rockwell C35 hardness provides superior resistance to wear and deformation, extending service life in demanding environments.
- Partially threaded design with 2" grip length offers optimal clamping force and vibration resistance for secure connections.
- UNC coarse threading and Class 2A thread fit enable quick assembly and smooth engagement, minimizing installation time.
- 7/8" external hex head allows for high-torque application with standard tools, ensuring tight fastening without stripping.
- ASTM A193 Grade B7 compliance guarantees material integrity and performance consistency for critical engineering applications.
- Steel construction with inch measurements delivers durability and compatibility with North American industrial standards.
Professional Applications & Engineering Value
This ASTM Grade B7 hex head screw is engineered to address critical challenges in heavy-duty industrial applications, including pressure vessels, valve systems, and structural assemblies. The high-strength steel composition, combined with Rockwell C35 hardness, resists thermal creep and mechanical stress, preventing loosening under dynamic loads. The partially threaded design with a 2" grip length concentrates clamping force where needed, while the UNC coarse threads provide rapid installation and superior holding power in coarse-grained materials. By meeting ASTM A193 specifications, this fastener ensures reliability in high-temperature and high-pressure environments, reducing maintenance downtime and enhancing operational safety for industrial hex screw users.
Specification Summary & Compliance
This fastener adheres to Class 2A thread fit for consistent engagement and UNC coarse threading (1/2"-13) per inch measurement standards. Manufacturing complies with ASTM A193 Grade B7 specifications, ensuring material traceability and performance validation. The screw meets industry requirements for high-strength steel bolts with precise dimensional control, supporting applications where ASTM standards are mandated for safety and reliability.
