S-92865A800 5/8"-11 x 1 3/4" 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, extending service life in harsh industrial environments
• Optimized thread engagement with Class 2A UNC coarse threads ensuring secure fastening and easy installation
• Enhanced torque transmission through external hex drive design for efficient assembly with standard tools
• Consistent mechanical properties with Rockwell C25 hardness maintaining dimensional stability under stress
• Full threading coverage along the 1 3/4" length provides maximum grip strength across the entire fastener
• Industry-standard compatibility meeting ASME B18.2.1 and SAE J429 specifications for reliable interchangeability

Professional Applications & Engineering Value

These Grade 5 hex head screws deliver critical performance where structural integrity cannot be compromised. The steel construction combined with zinc plating creates a durable barrier against environmental degradation, making them ideal for outdoor equipment, machinery frames, and structural assemblies. The 5/8"-11 UNC coarse thread configuration ensures rapid installation while maintaining holding power in various materials. With fully threaded design and external hex drive, these fasteners provide uniform stress distribution and straightforward installation using common wrench tools. Engineered for industrial applications requiring reliable, high-strength connections, these screws prevent joint failure in vibration-prone environments while offering consistent performance across manufacturing, construction, and heavy equipment sectors.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit tolerance for consistent performance. Complies with ASME B18.2.1 and SAE J429 Grade 5 specifications ensuring mechanical properties and dimensional accuracy. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) standards for hazardous substance restrictions. The inch system measurement provides compatibility with North American industrial standards and equipment specifications.