S-92865A724 1/2"-13 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 and Grade 5 classification for reliable performance in demanding applications
• Superior corrosion protection through zinc plating that extends service life in harsh industrial environments
• Optimized fastening efficiency with fully threaded UNC coarse thread design ensuring maximum grip and vibration resistance
• Enhanced installation torque via external hex drive and substantial 3/4" head width for secure tightening with standard tools
• Precision thread engagement with Class 2A thread fit providing consistent, reliable connections without cross-threading risks
• Robust material integrity backed by Rockwell C25 hardness for maintained fastener shape under extreme pressure
• Regulatory compliance assurance meeting ASME B18.2.1, SAE J429, RoHS 3, and REACH standards for quality and safety

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these Grade 5 hex head screws deliver critical performance where structural integrity matters most. The zinc plated steel construction provides essential corrosion resistance for outdoor equipment, construction frameworks, and manufacturing machinery exposed to environmental elements. The 1/2"-13 UNC coarse thread configuration ensures rapid installation and superior holding power in wood, metal, and composite materials, while the external hex drive design accommodates high-torque applications without stripping. With full threading along the 3" length, these fasteners distribute stress evenly across the entire engagement area, preventing localized failure points in critical assemblies. The combination of 120,000 psi tensile strength and Rockwell C25 hardness makes these screws ideal for structural connections, machinery mounting, and infrastructure projects requiring dependable, long-term fastening solutions.

Specification Summary & Compliance

This hex head screw features precision Class 2A thread fit tolerance with 1/2"-13 UNC coarse thread specifications. Manufacturing complies with ASME B18.2.1 and SAE J429 Grade 5 standards, ensuring dimensional accuracy and mechanical properties. Regulatory compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental directives, confirming the absence of restricted substances for industrial use worldwide.