S-92316A800 5/8"-11 x 1 3/4" 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 classification and 150,000 PSI tensile strength for critical structural applications
• Superior corrosion resistance through black-phosphate steel coating, extending service life in harsh industrial environments
• Enhanced torque transmission with external hex drive and 15/16" head width for secure installation and removal
• Optimized thread engagement through UNC coarse spacing and Class 2A fit, ensuring reliable fastening in various materials
• Integrated flange design eliminates need for separate washers while distributing clamp load over wider surface area
• Full threading along the entire 1 3/4" length provides maximum grip and adjustment flexibility
• Right-hand thread orientation ensures compatibility with standard installation tools and procedures

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications where failure is not an option, these Grade 8 hex head screws deliver exceptional performance in demanding environments. The black-phosphate steel construction provides superior protection against corrosion and wear, significantly extending service life in manufacturing, construction, and machinery applications. The combination of UNC coarse threading and Class 2A fit ensures rapid installation and reliable performance in both soft and hard materials, while the integrated flange design simplifies assembly by eliminating separate washers. With Rockwell C32 hardness and 150,000 PSI tensile strength, these fully threaded screws maintain integrity under extreme vibration and dynamic loads, making them ideal for structural connections, heavy equipment, and high-stress fastening applications where safety and reliability are paramount.

Specification Summary & Compliance

This 5/8"-11 UNC hex head screw features precise Class 2A thread fit tolerance and complies with SAE J429 specifications for Grade 8 fasteners. The product meets IFI 111 standards and demonstrates compliance with environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements. Manufacturing follows established industrial standards for dimensional accuracy, material properties, and performance characteristics, ensuring consistent quality and reliability across all production batches for industrial procurement and engineering applications.