S-92323A158 3/8"-24 x 3/4" IFI 111, SAE J429 Medium-Strength Grade 5 Steel Serrated-Flange Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength with 110,000 psi rating ensures reliable performance in demanding applications, reducing the risk of fastener failure
• Corrosion-resistant zinc-plated steel construction provides enhanced durability and extended service life in various environmental conditions
• Flanged design with serrated locking eliminates the need for separate washers while providing superior vibration resistance and secure fastening
• UNF fine threading with Class 2A fit delivers precise engagement and superior holding power compared to coarse thread alternatives
• Grade 5 classification guarantees consistent mechanical properties and reliable performance in heavy-duty industrial applications
• External hex drive design allows for high torque application and easy installation with standard tools
• Full regulatory compliance with SAE J429, RoHS 3, and REACH standards ensures environmental responsibility and industry acceptance

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel hex head screw delivers exceptional engineering value through its robust construction and precision UNF fine threading. The combination of 110,000 psi tensile strength and Rockwell C22 hardness makes it ideal for heavy-duty applications where vibration resistance and long-term reliability are critical. The integrated flange with serrations provides superior clamping force distribution and prevents loosening under dynamic loads, eliminating the need for additional locking components. This 3/8"-24 fully threaded screw is particularly valuable in machinery assembly, automotive components, and industrial equipment where external hex drive accessibility and consistent Class 2A thread fit ensure efficient installation and maintenance operations.

Specification Summary & Compliance

This fastener features precision UNF fine threading with Class 2A fit ensuring consistent engagement and reliable performance. Manufactured to meet IFI 111 specifications SAE J429, this screw maintains strict dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, demonstrating environmental responsibility and global regulatory acceptance for industrial applications.