S-94705A319 5/8"-11 x 3" 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 load-bearing capability with 125,000 PSI tensile strength for reliable performance in high-stress applications
- Superior material durability through Grade B7 steel construction offering excellent resistance to high temperatures and pressures
- Optimized thread engagement with Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
- Enhanced installation efficiency featuring external hex drive and 1 1/16" head width for standard tool compatibility
- Precise load distribution through partially threaded design with 1½" thread length for controlled clamping force
- Long-term reliability backed by Rockwell C35 hardness for maintained performance in demanding industrial environments
- Industry compliance assurance meeting ASTM A193 specifications for consistent quality and engineering standards
Professional Applications & Engineering Value
Engineered for high-temperature and high-pressure environments, this 5/8"-11 UNC hex head screw delivers critical performance where standard fasteners fail. The Grade B7 steel construction maintains structural integrity under thermal cycling and mechanical stress, while the partially threaded design provides optimal stress distribution across the grip length. The coarse UNC thread pattern with Class 2A fit ensures rapid installation and superior vibration resistance in industrial machinery, pressure vessels, and structural applications. With external hex drive compatibility, maintenance teams achieve consistent torque application using standard tools, reducing installation time and ensuring proper clamping force in critical assemblies.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit with 5/8"-11 UNC coarse threads and right-hand threading direction. Manufacturing complies with ASTM A193 specifications for high-temperature service, ensuring dimensional accuracy across all critical parameters including the 1½" thread length and 3" overall length. The fastener maintains inch system measurements throughout, with quality assurance processes validating the Rockwell C35 hardness and 125,000 PSI tensile strength requirements for industrial applications requiring certified material performance.
