S-92323A606 5/8"-11 x 1 1/2" IFI 111, SAE J429 Medium-Strength Grade 5 Steel Serrated-Flange Hex Head Screws

Key Features & Benefits at a Glance

• High tensile strength of 110,000 PSI ensures reliable performance in demanding industrial applications, reducing the risk of fastener failure.
• Zinc-plated steel construction provides excellent corrosion resistance, extending the lifespan of your assemblies in harsh environments.
• Rockwell C22 hardness rating offers superior durability and wear resistance, maintaining integrity under repeated stress.
• Flange design with serrations eliminates the need for a separate washer, providing secure locking and preventing loosening from vibrations.
• UNC coarse threading with Class 2A fit allows for quick and easy installation, saving time in high-volume assembly operations.
• External hex drive and hex head enable straightforward tightening with common tools, enhancing efficiency in maintenance and construction.
• Fully threaded shank ensures consistent grip along the entire length, offering versatile fastening solutions for various material thicknesses.

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel hex head screw is engineered to address common industrial challenges, such as vibration-induced loosening and corrosion in heavy-duty settings. The flange design with serrations acts as an integrated locking mechanism, providing a secure hold without additional components, which is ideal for machinery, automotive, and structural applications. Made from high-strength steel with a zinc plating surface treatment, it resists rust and wear, ensuring long-term reliability in outdoor or humid conditions. The UNC coarse thread and external hex drive facilitate rapid installation, reducing labor costs and downtime. By combining robust materials like steel with precise threading, this screw delivers consistent performance in construction, manufacturing, and equipment assembly, where tensile strength and compliance with standards are critical for safety and efficiency.

Specification Summary & Compliance

This screw features a Thread Fit of Class 2A for standard tolerance, ensuring compatibility with common nuts and tapped holes. It adheres to UNC thread standards and is manufactured in accordance with IFI 111 and SAE J429 specifications. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial environments without hazardous substances.