S-92316A244 5/8"-18 x 2 1/4" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance through black-phosphate steel coating, extending service life in demanding environments
• Precision fine threading (5/8"-18 UNF) ensures secure fastening and vibration resistance in critical assemblies
• Enhanced installation efficiency with external hex drive and flanged design for quick seating and distributed load
• Guaranteed mechanical properties meeting Grade 8 specifications with Rockwell C32 hardness for consistent performance
• Industry-standard compliance with IFI 111/SAE J429 standards for quality assurance in industrial applications
• Environmental responsibility through RoHS 3 and REACH compliance for sustainable procurement

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these Grade 8 hex head screws deliver exceptional reliability in construction equipment, machinery assembly, and structural frameworks. The black-phosphate steel construction provides superior corrosion protection, significantly reducing maintenance requirements in harsh operating environments. The UNF fine threading (5/8"-18) offers enhanced thread engagement and vibration resistance, preventing loosening in dynamic load conditions. The combination of 150,000 psi tensile strength and Rockwell C32 hardness ensures these external hex drive fasteners maintain integrity under extreme mechanical stress, while the integrated flange distributes clamping force evenly, protecting sensitive surfaces from damage during installation.

Specification Summary & Compliance

This 2 1/4" length hex head screw features precision Class 2A thread fit for consistent assembly performance and fully threaded design for maximum engagement. Manufactured to IFI 111 specifications where identified as SAE J429 compliant, ensuring mechanical properties meet rigorous industrial standards. The fastener demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting sustainable manufacturing initiatives while delivering reliable inch system fastening solutions.