S-92979A467 1/2"-13 x 1 1/4" IFI 111, SAE J429 Medium-Strength Grade 5 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 110,000 PSI ensures reliable performance in demanding applications, reducing the risk of fastener failure.
• Zinc-plated steel construction provides superior corrosion resistance, extending service life in harsh industrial environments.
• Fully threaded design with UNC coarse threads allows for faster installation and maximum grip across the entire length.
• Flanged head eliminates the need for a separate washer, distributing load evenly and speeding up assembly processes.
• Class 2A thread fit ensures easy assembly while maintaining secure fastening, minimizing cross-threading issues.
• Grade 5 strength rating and Rockwell C22 hardness deliver consistent durability under high-stress conditions.
• Compliance with SAE J429, RoHS 3, and REACH guarantees adherence to industry standards and environmental regulations for safe use.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these Grade 5 zinc-plated steel hex head screws address critical needs in construction, machinery assembly, and automotive sectors. The UNC coarse threading and fully threaded design enhance installation speed and provide uniform clamping force, reducing the likelihood of loosening under vibration. With a flanged head, they simplify assembly by integrating washer functionality, which is ideal for high-volume production lines. The zinc plating offers reliable protection against rust and corrosion, ensuring long-term performance in outdoor or humid environments. These screws are a trusted solution for projects requiring high tensile strength and compliance with rigorous specifications like SAE J429, making them suitable for structural and load-bearing fastening tasks.

Specification Summary & Compliance

This 1/2"-13 hex head screw features a Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy for easy assembly. It meets IFI 111 specifications where identified as SAE J429 compliant, confirming adherence to mechanical and material requirements. Additionally, the product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, supporting environmental safety and regulatory standards in industrial use.