S-94705A765 3/4"-10 x 4 3/4" 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 provides reliable performance in high-stress and high-pressure applications.
- Superior hardness (Rockwell C35) ensures excellent wear resistance and durability under demanding conditions.
- Partially threaded design with a 3" grip length offers optimal clamping force and vibration resistance.
- Coarse UNC thread enables quicker assembly and disassembly, reducing installation time and labor costs.
- Class 2A thread fit guarantees consistent, precise engagement for secure and repeatable fastening.
- External hex drive and 1 1/4" head width allow for easy application of high torque with standard tools.
- ASTM A193 Grade B7 compliance ensures material integrity for high-temperature and high-pressure service.
Professional Applications & Engineering Value
This 3/4"-10 UNC Grade B7 steel hex head screw is engineered to address critical challenges in heavy-duty industrial environments. Its high tensile strength and Rockwell C35 hardness make it ideal for applications subjected to extreme pressures and temperatures, such as pressure vessels, valve assemblies, and structural connections. The partially threaded configuration, combined with a coarse thread and external hex drive, simplifies installation in hard-to-reach areas and ensures a secure, vibration-resistant joint. By meeting ASTM A193 specifications, this fastener provides reliable performance in petrochemical, power generation, and other high-stress sectors, reducing the risk of fastener failure and maintenance downtime.
Specification Summary & Compliance
This hex head screw features a 3/4"-10 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy. It is manufactured from Grade B7 steel and complies with ASTM A193 standards, ensuring suitability for high-temperature and high-pressure service. Key dimensions include a thread length of 1 3/4", grip length of 3", and overall length of 4 3/4". The product adheres to industry specifications for material properties and threading, providing reliable performance in regulated industrial applications.
