S-94705A749 5/8"-11 x 4 3/4" 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
- High tensile strength of 125,000 psi ensures reliable performance in demanding industrial applications, reducing the risk of fastener failure.
- ASTM Grade B7 steel construction provides excellent durability and resistance to high-stress environments, extending service life.
- Class 2A thread fit offers consistent assembly and ease of installation while maintaining secure fastening.
- Partially threaded design allows for precise clamping force control and improved joint stability in machinery and construction.
- Rockwell C35 hardness enhances wear resistance, minimizing damage during repeated use or in abrasive conditions.
- Coarse UNC threads enable quick installation and better grip in various materials, speeding up project timelines.
- External hex drive and hex head facilitate straightforward tightening with standard tools, reducing assembly time and effort.
Professional Applications & Engineering Value
This 5/8"-11 UNC Grade B7 steel hex head screw is engineered to address critical challenges in heavy-duty industrial settings, such as high-pressure and high-temperature applications. Made from ASTM A193 compliant steel, it offers superior strength and Rockwell C35 hardness to prevent stripping and deformation under load. The partially threaded configuration ensures optimal stress distribution, reducing the risk of loosening in vibrating machinery or structural assemblies. With a coarse thread and Class 2A fit, it provides reliable engagement in construction projects, petrochemical equipment, and manufacturing systems, delivering long-term reliability and compliance with industry standards.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including Class 2A thread fit and UNC coarse threading for consistent performance. It meets ASTM A193 specifications for material and manufacturing, ensuring high tensile strength and hardness. The product complies with relevant industrial regulations, supporting applications that require robust, partially threaded hex head screws with verified mechanical properties.
