S-94705A427 3/4"-10 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 tensile strength of 125,000 PSI ensures reliable performance under extreme loads and pressures
- High-temperature and pressure resistance with ASTM Grade B7 steel construction for demanding industrial applications
- Precise thread engagement with Class 2A UNC coarse threads providing secure fastening and vibration resistance
- Optimized load distribution through partially threaded design with 1 3/4" thread length and 1 1/4" grip length
- Easy installation and removal with external hex drive and 1 1/4" head width for standard tool compatibility
- Enhanced durability with Rockwell C35 hardness maintaining structural integrity in harsh environments
- Right-hand thread configuration ensures standard compatibility and straightforward assembly processes
Professional Applications & Engineering Value
This ASTM Grade B7 steel hex head screw is engineered to address critical challenges in high-pressure and high-temperature industrial applications. The combination of 125,000 PSI tensile strength and Rockwell C35 hardness provides exceptional resistance to mechanical stress and environmental degradation. The partially threaded design with precise UNC coarse threads ensures optimal load transfer while preventing thread damage during repeated installations. The external hex drive and substantial 1 1/4" head width facilitate secure torque application, making these heavy-duty hex screws ideal for construction, petrochemical, and power generation equipment where failure is not an option.
Specification Summary & Compliance
This 3/4"-10 hex head screw features Class 2A thread fit tolerance for precise mating with standard nuts and components. Manufactured in compliance with ASTM A193 specifications for high-temperature service, the fastener maintains dimensional accuracy with UNC coarse thread profile and 1 3/4" thread length. The right-hand thread direction and external hex drive configuration adhere to industrial standards for compatibility and performance reliability in critical applications.
