S-92323A142 5/16"-24 x 1 1/4" IFI 111, SAE J429 Medium-Strength Grade 5 Steel Serrated-Flange Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc-plated steel construction, ideal for harsh industrial environments
• Superior tensile strength of 110,000 psi ensures reliable performance in high-stress applications
• Flanged design with serrations provides enhanced locking and prevents loosening under vibration
• UNF fine threading with Class 2A fit delivers precise engagement and secure fastening
• External hex drive allows for easy installation with standard tools and high torque application
• Full threading along the 1 1/4" length offers maximum grip and versatility in various material thicknesses
• Compliance with SAE J429 and environmental standards ensures quality and regulatory adherence for industrial use

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these Grade 5 zinc-plated steel hex head screws provide a robust fastening solution that addresses common challenges like vibration-induced loosening and corrosion. The flanged design with serrations enhances stability, making them ideal for machinery, automotive assemblies, and structural frameworks where reliable clamping force is critical. The UNF fine thread ensures tight seals and precise alignment in components, while the external hex drive facilitates quick installation with standard wrenches. With a Rockwell C22 hardness and high tensile strength, these screws withstand heavy loads and repetitive stress, reducing maintenance needs and downtime in industrial settings.

Specification Summary & Compliance

This screw features a 5/16"-24 UNF fine thread with Class 2A thread fit for precise tolerance, manufactured to meet IFI 111 / SAE J429 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and adherence to industry standards for quality and performance.