S-92316A924 3/4"-16 x 3" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Grade 8 classification, providing a high tensile strength of 150,000 psi for demanding industrial applications.
• Superior corrosion resistance due to the black-phosphate steel finish, extending the fastener's service life in harsh environments.
• Reliable and precise fastening with UNF fine threads and Class 2A thread fit, ensuring tight, secure connections and reduced risk of loosening under vibration.
• Efficient installation and removal featuring an external hex drive and flanged head, which eliminates the need for a separate washer and provides a larger bearing surface.
• Optimized for high-stress applications with a partially threaded design, concentrating strength at the shank and improving fatigue resistance.
• Consistent performance and compatibility as it meets SAE J429 specifications, ensuring interchangeability and reliability in mechanical assemblies.
• Safe for regulated industries with compliance to RoHS 3 and REACH standards, making it suitable for use in environmentally conscious and global markets.

Professional Applications & Engineering Value

This Grade 8 hex head screw is engineered to address critical challenges in heavy machinery, construction, and automotive sectors where high tensile strength and vibration resistance are paramount. The black-phosphate steel material provides a protective layer that minimizes rust and wear, crucial for outdoor or corrosive environments. Its UNF fine thread and Class 2A thread fit offer superior clamping force and precision, reducing the likelihood of thread stripping in high-load scenarios. The flanged head design distributes pressure evenly, preventing surface damage and simplifying assembly. Ideal for bolting structural components, engine parts, and industrial equipment, this fastener ensures long-term reliability and compliance with stringent industry standards like SAE J429, supporting efficient maintenance and safety in professional engineering projects.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent engagement and a 3/4"-16 UNF fine thread for fine adjustment capabilities. It is manufactured in compliance with IFI 111 / SAE J429 specifications, ensuring mechanical properties and performance metrics are met. Additionally, the product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming it is free from hazardous substances and suitable for use in regulated markets. With a hardness of Rockwell C32 and a tensile strength of 150,000 psi, it meets the rigorous demands of industrial fastening applications.