S-92316A214 1/4"-20 x 2 3/4" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional Load-Bearing Capacity - Grade 8 classification and 150,000 psi tensile strength ensure reliable performance in high-stress industrial applications
• Superior Corrosion Protection - Black-phosphate steel construction provides enhanced resistance to rust and environmental degradation
• Precision Thread Engagement - Class 3A thread fit guarantees consistent, secure fastening with minimal vibration loosening
• Enhanced Stability & Distribution - Integrated flange design eliminates need for separate washers while distributing load evenly
• Optimized for Heavy-Duty Use - Rockwell C32 hardness maintains structural integrity under repeated stress and impact
• Quick Installation & Removal - External hex drive and UNC coarse threading enable efficient assembly and disassembly
• Industry Compliance Assurance - Meets IFI 111/SAE J429 standards with RoHS 3 and REACH environmental compliance

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these Grade 8 hex head screws deliver critical performance where failure is not an option. The black-phosphate steel construction provides superior corrosion resistance in harsh conditions, while the flanged design eliminates washer requirements and distributes clamping force more effectively. The Class 3A thread fit with UNC coarse threading ensures vibration-resistant connections in heavy machinery, construction equipment, and automotive assemblies. With partial threading optimizing grip length, these fasteners prevent joint slippage in high-vibration applications, making them ideal for structural frameworks, engine components, and industrial machinery where 150,000 psi tensile strength is essential for operational safety and longevity.

Specification Summary & Compliance

This 1/4"-20 hex head screw features precise Class 3A thread fit tolerances with UNC coarse threading for optimal engagement. Manufacturing complies with IFI 111/SAE J429 specifications for Grade 8 fasteners, ensuring consistent quality and performance. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, making it suitable for regulated industries. With 2 3/4" length and 9/16" flange diameter, these screws maintain dimensional accuracy across production batches for reliable interchangeability in assembly operations.