S-92865A502 3/4"-16 x 6" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance from zinc plating extends service life in harsh industrial environments, minimizing maintenance and replacement costs.
• Precision Class 2A thread fit provides consistent engagement and ease of assembly, improving installation efficiency and reducing cross-threading risks.
• Heavy-duty Grade 5 rating and Rockwell C25 hardness offer excellent durability and load-bearing capacity for demanding mechanical applications.
• Fully threaded design allows for maximum grip and adjustability across the entire 6" length, enhancing versatility in various assembly setups.
• Compliance with ASME B18.2.1 and SAE J429 standards guarantees dimensional accuracy and interchangeability, ensuring compatibility with existing industrial systems.
• External hex drive and robust head design enable secure tool engagement and high torque application, facilitating quick and reliable installations.

Professional Applications & Engineering Value

This Grade 5 hex head screw is engineered to address critical challenges in heavy machinery, structural assemblies, and industrial equipment where vibration resistance and long-term reliability are paramount. The zinc plated steel construction provides a durable barrier against oxidation and chemical exposure, significantly reducing corrosion-related failures in outdoor or humid conditions. With its 3/4"-16 UNF fine thread and Class 2A fit, it ensures precise alignment and secure fastening in high-precision applications, minimizing loosening under dynamic loads. The combination of 120,000 psi tensile strength and full threading offers uniform stress distribution, making it ideal for demanding sectors like construction, automotive, and manufacturing that require consistent performance and compliance with ASME B18.2.1 specifications.

Specification Summary & Compliance

This fastener adheres to Class 2A thread tolerances for consistent fit and meets ASME B18.2.1 and SAE J429 standards for dimensional accuracy and mechanical properties. It is fully compliant with RoHS 3 (2015/863/EU) regulations, ensuring environmental safety and suitability for global industrial use.