S-94705A774 3/4"-10 x 7 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, reducing the risk of fastener failure.
- ASTM Grade B7 steel construction provides superior durability and resistance to high temperatures and pressures, ideal for demanding environments.
- Coarse UNC threads with Class 2A fit offer quick assembly and secure fastening, minimizing installation time while maintaining precision.
- Partially threaded design allows for optimal grip length (5 1/2"), enhancing clamping force and vibration resistance in heavy machinery.
- External hex drive and 1 1/4" head width enable easy installation with standard tools, improving efficiency in maintenance and assembly operations.
- Rockwell C35 hardness ensures long-term wear resistance, extending the fastener's service life under repetitive loads.
- Compliance with ASTM A193 specifications guarantees consistent quality and reliability for critical engineering applications.
Professional Applications & Engineering Value
This Grade B7 steel hex head screw is engineered to address common industrial challenges, such as vibration loosening and high-load fatigue. Its 3/4"-10 UNC coarse thread and partially threaded configuration provide excellent grip and clamping force, making it ideal for heavy-duty applications in construction, oil and gas, and machinery assembly. The ASTM A193 certification ensures material integrity under extreme conditions, while the external hex drive simplifies installation in tight spaces. By combining high tensile strength with precise Class 2A thread fit, this fastener minimizes downtime and enhances operational safety in critical systems.
Specification Summary & Compliance
This hex head screw adheres to Class 2A thread fit for consistent dimensional accuracy and UNC coarse thread standards. It meets ASTM A193 specifications for material and performance, ensuring compliance with industrial requirements for high-strength fasteners. The product is manufactured to precise dimensions, including a 7 1/2" length and 1 1/4" head width, supporting reliable integration in engineered systems.
