S-92316A632 3/8"-16 x 2" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional strength for demanding applications with Grade 8 classification and 150,000 psi tensile strength, ensuring reliable performance under high stress.
• Superior corrosion resistance thanks to the black-phosphate steel finish, extending service life in harsh industrial environments.
• Secure and stable fastening with the flanged head design, which distributes load evenly and eliminates the need for a separate washer.
• Easy installation and high torque capability provided by the external hex drive and coarse UNC threading, reducing assembly time and preventing stripping.
• Precise thread fit for consistent performance with Class 2A thread tolerance, ensuring smooth engagement and vibration resistance.
• Durable material hardness at Rockwell C32, offering excellent wear resistance and reducing the risk of deformation during use.
• Compliance with major industry standards including SAE J429, RoHS 3, and REACH, guaranteeing safety and environmental responsibility.

Professional Applications & Engineering Value

This Grade 8 Hex Head Screw is engineered from black-phosphate steel to address critical industrial challenges, such as corrosion and mechanical failure in heavy machinery, construction, and automotive assemblies. The partially threaded design with UNC coarse threading ensures quick alignment and strong holding power in materials like metal and thick composites, reducing the risk of cross-threading. The external hex drive allows for high-torque application with standard tools, enhancing efficiency in maintenance and production lines. Its flanged feature provides added stability, making it ideal for applications where vibration loosening is a concern, thereby minimizing downtime and improving operational safety in demanding environments.

Specification Summary & Compliance

This screw adheres to precise Class 2A thread fit and UNC thread standards for consistent dimensional accuracy. It meets IFI 111/SAE J429 specifications for mechanical properties and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring no hazardous substances and environmental safety in industrial use.