S-92316A802 5/8"-11 x 2" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Maximum load-bearing capability with 150,000 psi tensile strength and Grade 8 classification for critical structural applications
• Superior corrosion resistance through black phosphate steel coating, extending service life in demanding industrial environments
• Enhanced installation efficiency with UNC coarse threading and Class 2A fit, ensuring quick assembly and reliable engagement
• Increased clamping force distribution via integrated flange design, eliminating the need for separate washers
• Optimal torque transmission through 15/16" external hex head, preventing tool slippage during high-torque applications
• Full-length thread engagement across the entire 2" length, providing consistent holding power throughout the fastener
• Certified material integrity with Rockwell C32 hardness, maintaining dimensional stability under extreme pressure

Professional Applications & Engineering Value

Engineered for heavy-duty industrial assemblies, these Grade 8 hex head screws deliver exceptional performance in high-vibration and high-stress applications. The black phosphate steel construction provides superior corrosion protection for outdoor equipment, machinery frames, and structural steel connections where environmental exposure is a concern. The UNC coarse threading with Class 2A fit ensures rapid installation in production environments while maintaining precise thread engagement. The integrated flange design distributes clamping force over a wider surface area (1-21/64" diameter), preventing material deformation in softer substrates. These fully threaded screws offer maximum thread contact throughout the 2" length, making them ideal for thick-section assemblies requiring uniform load distribution across the entire fastener.

Specification Summary & Compliance

Manufactured to exacting IFI 111/SAE J429 standards with Class 2A thread fit tolerances for consistent performance. Features 5/8"-11 UNC coarse threading with right-hand orientation and external hex drive configuration. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The Grade 8 classification guarantees mechanical properties including 150,000 psi minimum tensile strength and Rockwell C32 hardness for reliable performance in critical applications.