S-94705A633 1"-8 x 4 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 high-stress applications, reducing the risk of fastener failure
- Rockwell C35 hardness provides superior wear resistance and durability for extended service life in demanding environments
- ASTM A193 certification guarantees material quality and manufacturing consistency for critical industrial applications
- Class 2A thread fit offers precise installation with proper clearance, minimizing cross-threading and assembly issues
- Coarse UNC threading enables faster installation and better performance in vibration-prone applications
- Partially threaded design provides optimal clamping force distribution and improved joint stability
- External hex drive allows for high-torque installation using standard tools, simplifying maintenance and assembly processes
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these ASTM Grade B7 hex head screws deliver exceptional performance in demanding environments where reliability is critical. The high-strength steel construction combined with 125,000 psi tensile strength makes them ideal for pressure vessels, structural connections, and machinery subjected to extreme loads and temperatures. The 1"-8 UNC coarse thread configuration provides superior resistance to vibration loosening while enabling quick installation in time-sensitive maintenance scenarios. With partial threading and precise Class 2A thread fit, these fasteners ensure optimal stress distribution and prevent thread damage during assembly, reducing maintenance costs and downtime in industrial operations.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit per UNC standards with 1"-8 thread size and 4 1/2" overall length. Manufactured in compliance with ASTM A193 specifications for high-temperature service, the fastener meets ASTM Grade B7 requirements for material composition and mechanical properties. The product conforms to industry standards for dimensional accuracy and is suitable for applications requiring reliable performance under demanding conditions.
