S-92579A112 3/8"-16 x 1 1/2" ASTM A193, ASTM A574 High-Temperature Alloy Steel Socket Head Screws—Grade B7

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.
• High-temperature resistance up to 1100°F allows for stable operation in demanding thermal environments, maintaining integrity under heat.
• ASTM Grade B7 alloy steel construction provides superior durability and hardness (Rockwell C26), offering long service life and resistance to wear.
• UNC coarse threads with Class 2A fit enable quick and secure installation, minimizing cross-threading and improving assembly efficiency.
• Standard hex socket head design with a 5/16" drive facilitates easy access and torque application in confined spaces, enhancing installation convenience.
• Full threading along the 1-1/2" length ensures consistent grip and load distribution, ideal for applications requiring uniform clamping force.
• Compliance with ASTM A193, RoHS 3, and REACH standards guarantees environmental safety and regulatory adherence, supporting sustainable and responsible sourcing.

Professional Applications & Engineering Value

This ASTM Grade B7 alloy steel socket head cap screw is engineered to address critical challenges in heavy-duty industrial settings, such as machinery assembly, automotive systems, and high-temperature equipment. Its high tensile strength and hardness prevent deformation under extreme loads, while the UNC coarse threads resist vibration loosening, ensuring reliable fastening in dynamic environments. The socket head design with a hex drive allows for precise torque application in tight spaces, reducing installation time and errors. Ideal for applications requiring temperature resistance up to 1100°F, it maintains performance in furnaces or engine components, minimizing maintenance needs and downtime. By combining robust material properties with standardized thread fit and dimensions, this screw delivers consistent engineering value for demanding B2B procurement.

Specification Summary & Compliance

This product features precise Class 2A thread fit and UNC coarse threads with a size of 3/8"-16 and length of 1-1/2", ensuring dimensional accuracy per industrial standards. It complies with ASTM A193 specifications for high-strength bolting materials, along with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety requirements for industrial fasteners.