S-92316A633 3/8"-16 x 2 1/4" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Maximum load-bearing capacity with Grade 8 strength rating and 150,000 psi tensile strength for critical structural applications
• Superior corrosion resistance through black phosphate coating that extends service life in harsh industrial environments
• Enhanced driving efficiency with external hex head design providing maximum torque transfer and reduced tool slippage
• Optimized thread engagement through UNC coarse threading and Class 2A fit ensuring reliable fastening in various materials
• Integrated flange design eliminates need for separate washers while distributing clamping force evenly
• Precision manufacturing meeting IFI 111 specifications and SAE J429 standards for consistent quality and performance
• Environmental compliance with RoHS 3 and REACH regulations for safe use across global markets

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these Grade 8 hex head screws deliver exceptional performance in heavy machinery, construction equipment, and automotive assemblies. The black-phosphate steel construction provides superior corrosion protection while maintaining the 150,000 psi tensile strength required for high-stress connections. The partially threaded UNC coarse design ensures optimal grip in both metallic and composite materials, while the external hex drive allows for high-torque installation without stripping. The integrated flange distributes clamping pressure effectively, reducing point stress and preventing material deformation. These screws solve critical fastening challenges where vibration resistance, environmental durability, and consistent performance are paramount.

Specification Summary & Compliance

This 3/8"-16 hex head screw features Class 2A thread fit precision and UNC coarse threading manufactured to exacting standards. The fastener meets IFI 111 specifications where identified as SAE J429 compliant, ensuring consistent dimensional accuracy and mechanical properties. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances. With Rockwell C32 hardness and verified 150,000 psi tensile strength, this Grade 8 screw delivers reliable performance across industrial applications requiring certified quality standards.