S-92865A926 1"-8 x 5 1/2" 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 UNC coarse threading and Class 2A fit ensuring secure fastening and vibration resistance
• Enhanced mechanical durability from Rockwell C25 hardness, maintaining structural integrity under repeated stress
• Full-threaded design providing maximum grip length and uniform stress distribution across the entire fastener
• Standard-compliant engineering meeting ASME B18.2.1/SAE J429 specifications for guaranteed interchangeability
• External hex drive compatibility with standard tools for efficient installation and removal in confined spaces

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these Grade 5 hex head screws deliver critical performance where vibration resistance and structural integrity are paramount. The zinc plated steel construction provides essential corrosion protection for machinery, structural steel connections, and equipment subjected to environmental exposure. The 1"-8 UNC coarse thread configuration ensures rapid installation and superior holding power in both metallic and non-metallic materials, while the fully threaded design maximizes engagement in thick-section assemblies. These industrial fasteners are particularly valuable in construction, manufacturing, and machinery maintenance where 120,000 psi tensile strength and consistent performance under dynamic loads are required.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with Class 2A thread fit tolerances ensuring proper engagement and interchangeability. Complies with ASME B18.2.1 and SAE J429 standards for dimensional accuracy and mechanical properties. The zinc plating finish meets corrosion protection requirements while maintaining RoHS 3 (2015/863/EU) compliance for environmental regulations. Thread specifications conform to UNC coarse thread standards with right-hand thread direction and external hex drive configuration for tool compatibility.