S-92865A501 7/8"-14 x 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 a tensile strength of 120,000 psi, this screw reliably handles high-stress applications, reducing the risk of fastener failure in critical assemblies.
• Superior Corrosion Resistance: Zinc plating provides a durable protective layer, extending service life in harsh industrial environments and minimizing maintenance needs.
• Precision Thread Engagement: Class 2A thread fit ensures consistent, reliable fastening with reduced cross-threading risk, improving assembly efficiency and joint integrity.
• High-Strength Material Construction: Grade 5 steel with Rockwell C25 hardness offers excellent durability and resistance to wear, ensuring long-term performance under demanding conditions.
• Optimized for High-Torque Applications: The external hex drive and substantial 1 5/16" head width allow for secure tool engagement, enabling efficient installation and removal with standard wrenches.
• Full Thread Coverage for Maximum Grip: Fully threaded design provides continuous engagement along the entire 2" length, offering superior holding power in various material thicknesses.
• Industry-Standard Compliance: Manufactured to ASME B18.2.1 and SAE J429 specifications, ensuring dimensional accuracy and compatibility with existing industrial systems and components.

Professional Applications & Engineering Value

This 7/8"-14 UNF Grade 5 steel hex head screw delivers critical engineering solutions for heavy-duty industrial applications where reliability is paramount. The fine thread spacing and Class 2A thread fit provide superior vibration resistance and precise clamping force distribution, addressing common challenges in machinery, structural steel connections, and equipment assembly. The combination of 120,000 psi tensile strength and Rockwell C25 hardness ensures exceptional resistance to dynamic loads and environmental stressors, while the zinc plating offers essential corrosion protection in manufacturing plants, construction sites, and outdoor installations. The fully threaded design maximizes versatility across different material thicknesses, making it an ideal choice for OEMs and maintenance teams requiring consistent performance in demanding operational environments.

Specification Summary & Compliance

This fastener maintains precise Class 2A thread fit tolerances according to UNF thread standards, ensuring consistent performance across industrial applications. Manufacturing complies with ASME B18.2.1 and SAE J429 Grade 5 specifications for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial supply chains and environmentally conscious manufacturing operations.