S-92316A843 3/4"-10 x 2 1/2" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional 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
• Optimized installation efficiency with UNC coarse threading and Class 2A fit ensuring rapid assembly with standard tools
• Enhanced fastener stability through integrated flange design that distributes clamping force over wider surface areas
• Reliable mechanical performance backed by Rockwell C32 hardness for consistent durability under vibration and stress
• Industry-standard compatibility with external hex drive configuration for universal tool access and torque application
• Full-thread engagement capability along the entire 2½" length for maximum grip strength in thick materials

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these Grade 8 hex head screws deliver critical performance where failure is not an option. The black phosphate coating provides essential corrosion protection for machinery, structural steel connections, and heavy equipment exposed to moisture and chemicals. The UNC coarse thread configuration ensures reliable engagement in both metals and composites, while the flange design eliminates the need for separate washers, streamlining assembly in high-volume manufacturing. With 150,000 psi tensile strength and Rockwell C32 hardness, these fasteners maintain clamp load under extreme vibration and dynamic loads common in construction, automotive, and industrial machinery applications.

Specification Summary & Compliance

This 3/4"-10 hex head screw features Class 2A thread fit for standard industrial applications with precise dimensional accuracy. Manufactured to SAE J429 specifications for Grade 8 fasteners, ensuring consistent mechanical properties and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial supply chains. The fully threaded design with right-hand thread direction and external hex drive conforms to industry-standard installation practices and tooling requirements.