S-92323A570 1/2"-13 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 of 110,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Zinc-plated steel construction provides excellent corrosion resistance, extending service life in harsh industrial environments.
• Flanged design with serrations offers secure locking and eliminates the need for separate washers, speeding up assembly and reducing parts count.
• Grade 5 classification and Rockwell C22 hardness guarantee consistent durability and resistance to wear under heavy loads.
• Fully threaded UNC coarse thread allows for quick installation and strong grip in a variety of materials, improving efficiency.
• External hex drive and hex head enable easy tightening with standard tools, minimizing installation time and labor costs.
• Compliance with SAE J429, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations, providing peace of mind for global sourcing.

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel hex head screw is engineered to address common industrial challenges such as vibration loosening and corrosion in demanding environments. The serrated locking flange enhances stability by biting into surfaces, preventing unintentional loosening in machinery, automotive assemblies, and structural frameworks. Its UNC coarse thread and fully threaded design ensure rapid installation and robust holding power in coarse-grained materials, reducing assembly time and maintenance needs. Made from high-strength steel with a zinc plating, it resists rust and wear, making it ideal for outdoor equipment, construction projects, and heavy-duty manufacturing where reliability and compliance with SAE J429 standards are critical for safety and performance.

Specification Summary & Compliance

This fastener features a 1/2"-13 UNC coarse thread with Class 2A fit for precise dimensional accuracy and easy assembly. It meets IFI 111 specifications under SAE J429 for mechanical properties, ensuring consistent quality. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it is free from hazardous substances, supporting sustainable and safe industrial use.