S-90602A235 1/2"-13 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 for reliable performance in demanding applications
• Superior corrosion resistance provided by zinc yellow-chromate plating that extends service life in harsh environments
• Precise thread engagement with Class 3A thread fit ensuring consistent, vibration-resistant connections
• Enhanced installation efficiency through external hex drive design that accommodates standard tools
• Optimized weight distribution with integrated flange that increases bearing surface and reduces surface pressure
• Proven material durability with Rockwell C32 hardness maintaining structural integrity under heavy loads
• Industry-standard compliance meeting SAE J429/IFI 111 specifications for guaranteed quality and interchangeability

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this Grade 8 hex head screw delivers exceptional performance where reliability is non-negotiable. The zinc yellow-chromate plated steel construction provides superior corrosion protection in challenging environments, while the 1/2"-13 UNC coarse thread design ensures rapid installation and secure fastening in structural assemblies, machinery, and equipment. The partially threaded configuration with integrated flange distributes clamping force effectively, preventing joint loosening under vibration and dynamic loads. These industrial strength fasteners are specifically designed to withstand extreme mechanical stresses in construction, manufacturing, and automotive applications where failure is not an option.

Specification Summary & Compliance

This hex head screw features precise Class 3A thread fit with 1/2"-13 UNC coarse threading and partial threading up to 1¼" minimum thread length. Manufactured to exacting SAE J429 Grade 8 specifications and compliant with IFI 111 standards, ensuring dimensional accuracy and mechanical properties. The fastener maintains 150,000 psi tensile strength and Rockwell C32 hardness throughout its service life, with zinc yellow-chromate plating providing corrosion protection in accordance with industry requirements.