S-94705A825 1 1/8"-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 for reliable performance in high-stress applications
- Superior hardness rating of Rockwell C35 ensures excellent wear resistance and durability
- Precision Class 2A thread fit provides consistent engagement and vibration resistance
- UN fine threading delivers superior clamping force and load distribution
- External hex drive design allows for high-torque installation with standard tools
- ASTM A193 Grade B7 compliance guarantees material quality and performance standards
- Partially threaded construction optimizes grip length for secure fastening in demanding environments
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade B7 steel hex head screw addresses critical challenges in high-pressure and high-temperature environments. The combination of 125,000 PSI tensile strength and Rockwell C35 hardness provides exceptional resistance to mechanical stress and wear, making it ideal for pressure vessels, valve systems, and structural connections. The UN fine thread configuration with Class 2A fit ensures precise thread engagement and superior vibration resistance, while the external hex drive facilitates efficient installation in confined spaces. This partially threaded fastener offers optimal grip length control for critical joint applications where precise clamping force distribution is essential for long-term reliability and safety.
Specification Summary & Compliance
This 1 1/8"-8 hex head screw features Class 2A thread fit with UN fine threading standards, ensuring dimensional accuracy and interchangeability. The fastener maintains precise specifications including 6 1/2" overall length, 3 3/4" grip length, and right-hand thread direction. Manufactured in compliance with ASTM A193 Grade B7 specifications, this steel fastener meets rigorous industrial standards for material composition, mechanical properties, and performance requirements in demanding applications.
