S-94705A719 3/8"-16 x 3" ASTM A193 Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• High tensile strength of 125,000 psi ensures reliable performance in demanding industrial and construction environments, reducing the risk of fastener failure.
• ASTM Grade B7 steel construction with Rockwell C35 hardness provides excellent durability and resistance to wear, extending service life in high-stress applications.
• Partially threaded design with 2" grip length offers secure clamping force and easier alignment, ideal for assemblies requiring precise load distribution.
• Class 2A thread fit with UNC coarse threading allows for quick assembly and disassembly, minimizing installation time and labor costs.
• External hex drive and hex head enable straightforward installation using common tools, improving efficiency in maintenance and construction tasks.
• ASTM A193 compliance guarantees adherence to industry standards for high-temperature service, ensuring safety and reliability in critical applications.
• Right-hand thread direction and coarse thread spacing provide strong holding power and resistance to vibration, suitable for heavy machinery and structural uses.

Professional Applications & Engineering Value

This 3/8"-16 UNC Grade B7 steel hex head screw is engineered to address common challenges in industrial and construction settings, such as vibration loosening and high-load demands. The partially threaded design with a 2" grip length ensures optimal stress distribution, preventing joint failure in structural assemblies. Made from ASTM Grade B7 steel and compliant with ASTM A193, it excels in high-temperature and high-pressure environments, offering consistent performance in petrochemical, power generation, and heavy equipment applications. The coarse UNC threads and Class 2A thread fit facilitate quick installation, reducing downtime, while the external hex drive allows for easy tightening with standard wrenches. This combination of material strength and precise threading specifications makes it a dependable choice for engineers seeking durability and compliance in critical fastening solutions.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse threading with a thread size of 3/8"-16, ensuring dimensional accuracy and compatibility. It meets ASTM A193 specifications for high-temperature service and is manufactured from ASTM Grade B7 steel, providing reliable performance in accordance with industry standards. The product adheres to common regulatory requirements for industrial fasteners, supporting applications where material integrity and thread standards are critical for safety and efficiency.