S-94705A795 1"-8 x 5 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 industrial applications
- Premium Grade B7 steel construction provides superior durability and resistance to mechanical stress
- Rockwell C35 hardness rating maintains structural integrity under heavy loads and vibration
- ASTM A193 certification guarantees compliance with rigorous industrial standards for critical applications
- 1"-8 UNC coarse threading with Class 2A fit enables quick installation and secure fastening in demanding environments
- Partially threaded design with 3 1/4" grip length provides optimal clamping force distribution
- External hex drive with 1 5/8" head width allows for high-torque installation using standard tools
Professional Applications & Engineering Value
This high-strength hex head screw is engineered to solve critical fastening challenges in heavy-duty industrial applications where failure is not an option. The Grade B7 steel material combined with 125,000 psi tensile strength and Rockwell C35 hardness provides exceptional resistance to mechanical stress, vibration, and thermal cycling. The 1"-8 UNC coarse threading ensures rapid installation in thick materials while maintaining secure engagement, while the partially threaded design concentrates clamping force precisely where needed. Ideal for pressure vessels, structural connections, and machinery assemblies, this ASTM A193 certified fastener delivers the reliability demanded by engineering specifications in petrochemical, power generation, and heavy manufacturing sectors.
Specification Summary & Compliance
This hex head screw features precision Class 2A thread fit with 1"-8 UNC coarse threading and 2 1/4" thread length manufactured to exacting standards. The fastener complies with ASTM A193 specification for high-temperature service and meets ASTM Grade B7 requirements for material composition and mechanical properties. With dimensions in the inch system (5 1/2" total length, 1 5/8" head width), this right-hand threaded fastener ensures compatibility with industrial equipment and maintenance protocols where dimensional precision and standardized threading are critical for operational safety and performance.
