S-92979A151 10-32 x 1/2" 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.
• Superior corrosion resistance provided by the zinc-plated steel finish, extending service life in various industrial environments.
• Precise Class 3A thread fit guarantees secure, vibration-resistant connections for improved assembly integrity.
• Flanged head design eliminates the need for a separate washer, simplifying installation and providing a larger bearing surface.
• High hardness rating (Rockwell C25) enhances durability and wear resistance, maintaining thread integrity during repeated use.
• Fully threaded shank allows for maximum grip and adjustability along the entire length of the screw.
• Compliance with major industry standards including SAE J429 and IFI 111, ensuring consistent quality and interchangeability.

Professional Applications & Engineering Value

These Grade 5 zinc-plated steel hex head screws are engineered to address critical challenges in industrial assembly and machinery. The 10-32 UNF fine thread with Class 3A fit provides excellent resistance to loosening under vibration, making them ideal for automotive, aerospace, and heavy equipment applications. The external hex drive allows for high-torque installation with standard tools, while the flanged design distributes clamping force evenly, preventing surface damage. Manufactured from high-strength steel with a protective zinc coating, these screws offer reliable performance in corrosive environments, reducing maintenance needs and downtime. Their full threading ensures maximum engagement in tapped holes or nuts, providing a secure fastening solution for structural and non-structural components.

Specification Summary & Compliance

This fastener features a 10-32 UNF thread size with Class 3A thread fit for precise dimensional accuracy. It complies with IFI 111 SAE J429 manufacturing specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting environmentally responsible manufacturing practices.