S-92865A479 3/4"-16 x 3" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 120,000 PSI tensile strength for reliable performance in demanding applications
• Superior corrosion resistance through zinc plating that extends service life in harsh industrial environments
• Precise thread engagement with Class 2A fit and UNF fine threading for secure fastening and vibration resistance
• Enhanced durability from Rockwell C25 hardness that maintains structural integrity under repeated stress
• Optimal torque transmission via the 1 1/8" hex head design for efficient installation with standard tools
• Full-threaded coverage along the 3" length provides maximum grip strength across the entire fastener
• Industry compliance assurance meeting ASME B18.2.1 and RoHS 3 standards for quality and environmental safety

Professional Applications & Engineering Value

This Grade 5 hex head screw delivers critical engineering solutions for heavy-duty industrial applications where high tensile strength and reliable performance are paramount. The 3/4"-16 UNF fine threading provides superior resistance to vibration loosening in machinery, construction equipment, and structural assemblies. The zinc plated steel construction offers essential corrosion protection for outdoor applications or environments with moisture exposure. With its external hex drive and substantial 1 1/8" head width, this fastener enables high-torque installation without stripping, making it ideal for maintenance operations and production lines where efficiency matters. The fully threaded design ensures maximum clamping force distribution across the entire 3" length, providing secure fastening in thick materials and critical joints.

Specification Summary & Compliance

This industrial fastener maintains Class 2A thread fit tolerance with precise UNF (Unified National Fine) threading at 3/4"-16 specification. Manufacturing complies with ASME B18.2.1 standards and meets SAE J429 Grade 5 requirements for material and strength classification. The product is fully RoHS 3 (2015/863/EU) compliant, ensuring environmental safety standards are met. Dimensions include a 1 1/8" head width, 1/2" head height, and 3" overall length with right-hand thread direction for standard installation.