S-92865A633 3/8"-16 x 2 1/4" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• High tensile strength of 120,000 PSI ensures reliable performance in demanding applications, reducing the risk of fastener failure under heavy loads.
• Zinc plating provides excellent corrosion resistance, extending the service life of the screw in various environmental conditions and minimizing maintenance needs.
• Grade 5 steel construction with Rockwell C25 hardness offers a balance of strength and durability, suitable for high-stress industrial uses.
• UNC coarse threading and Class 2A thread fit enable quick and secure installation, improving assembly efficiency and reducing cross-threading issues.
• Fully threaded design allows for consistent grip along the entire length, enhancing load distribution and fastening stability.
• External hex drive and hex head facilitate easy tightening with standard tools, speeding up installation and reducing labor time.
• Compliance with ASME B18.2.1 and SAE J429 standards ensures consistent quality and interoperability, meeting rigorous industrial specifications.

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw is engineered to address common industrial challenges, such as vibration loosening and corrosion-induced degradation. Made from Grade 5 steel with a zinc-plated finish, it provides superior resistance to rust and wear, making it ideal for outdoor machinery, automotive assemblies, and structural frameworks. The coarse thread design ensures quick engagement and robust holding power in materials like metal and wood, while the fully threaded configuration distributes stress evenly, minimizing point failures. By incorporating external hex drive compatibility, it simplifies maintenance and reduces downtime in production lines, offering a cost-effective solution for heavy-duty fastening needs in construction, manufacturing, and equipment repair sectors.

Specification Summary & Compliance

This fastener features precise Class 2A thread fit and adheres to UNC thread standards for consistent dimensional accuracy. It meets ASME B18.2.1 and SAE J429 specifications, ensuring reliable performance in industrial settings. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental safety and regulatory requirements.