S-90602A260 5/8"-11 x 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 150,000 psi tensile strength and Grade 8 classification for reliable performance in high-stress environments.
• Superior Corrosion Resistance from zinc yellow-chromate plating, extending service life in harsh industrial or outdoor conditions.
• Optimized Thread Engagement with UNC coarse threads and Class 2A fit ensuring secure fastening and reduced cross-threading risks.
• Enhanced Stability and Distribution through the integrated flange design, minimizing surface damage and improving joint integrity.
• High Durability backed by Rockwell C32 hardness, maintaining structural integrity under repeated loads and vibrations.
• Industry-Compliant Engineering meeting SAE J429/IFI 111 specifications for consistent quality and interoperability in professional applications.
• Efficient Installation with external hex drive and 15/16" head width, allowing for quick, tool-friendly assembly in confined spaces.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial fastening, these Grade 8 hex head screws deliver unmatched reliability in construction, machinery, and structural assemblies. The zinc yellow-chromate plated steel construction combats rust and chemical exposure, while the fully threaded UNC coarse design ensures rapid installation and superior grip in wood, metal, or composite materials. The flanged head eliminates the need for separate washers, distributing clamp load evenly to prevent loosening under dynamic stresses. Ideal for applications demanding high tensile strength and corrosion resistance, these screws address critical challenges in automotive, infrastructure, and manufacturing sectors where failure is not an option.

Specification Summary & Compliance

This product adheres to Class 2A thread fit and UNC coarse thread standards for precise dimensional accuracy. Manufactured in compliance with SAE J429 and IFI 111 specifications, it meets rigorous industry benchmarks for material quality and mechanical properties. The screw is fully threaded with a 5/8"-11 thread size and 2" length, ensuring consistent performance. While not explicitly stated for RoHS or REACH, the zinc yellow-chromate plating aligns with common environmental guidelines for industrial fasteners, supporting safe usage across regulated sectors.