S-94705A845 1 1/4"-8 x 6 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 in the most demanding heavy-duty applications
- Superior hardness rating of Rockwell C35 provides excellent resistance to wear and deformation under extreme conditions
- ASTM A193 Grade B7 certification guarantees material quality and performance consistency for industrial applications
- Partially threaded design with 3" thread length allows for optimal clamping force distribution and secure fastening
- Class 2A thread fit ensures smooth assembly while maintaining precise tolerances for consistent performance
- External hex drive configuration enables high-torque installation with standard tools for efficient maintenance
- Fine thread spacing provides enhanced vibration resistance and superior holding power in critical applications
Professional Applications & Engineering Value
This high-strength hex head screw delivers exceptional engineering value in demanding industrial environments where reliability is paramount. The ASTM Grade B7 steel construction combined with 125,000 PSI tensile strength makes it ideal for heavy machinery, structural applications, and pressure vessel assemblies where failure is not an option. The partially threaded design with UN fine threads ensures maximum clamping force while preventing thread damage during installation. With Rockwell C35 hardness, this fastener maintains integrity under extreme stress and temperature variations, solving critical challenges in petrochemical, power generation, and construction industries where heavy-duty fasteners must withstand prolonged operational demands without compromising performance.
Specification Summary & Compliance
This 1 1/4"-8 hex head screw features precise Class 2A thread fit with UN fine thread spacing for consistent assembly performance. Manufactured to ASTM A193 specifications with Grade B7 material certification, the fastener delivers 6.5" overall length with 3.5" grip length for optimal load distribution. The product complies with industry standards for dimensional accuracy and material properties, ensuring reliable performance in critical applications requiring high-strength bolting solutions with verified mechanical properties and manufacturing consistency.
