S-92865A117 5/16"-24 x 2" 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 under heavy loads, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance with zinc plating protects against rust and environmental degradation, extending service life in harsh industrial conditions.
• Precise Class 2A thread fit and UNF fine threading provide secure, vibration-resistant connections, minimizing loosening in machinery and equipment.
• High hardness (Rockwell C25) offers excellent wear resistance, maintaining thread integrity and drive engagement through repeated use.
• Full threading along the 2" length allows for maximum grip and adjustability in a wide range of material thicknesses.
• External hex drive design enables easy installation and high torque application with standard tools, speeding up assembly processes.
• Compliance with ASME B18.2.1 and SAE J429 standards guarantees consistent quality and interchangeability, ensuring compatibility with existing industrial systems.

Professional Applications & Engineering Value

This Grade 5 steel hex head screw is engineered to address critical fastening challenges in heavy-duty environments. The UNF fine thread design enhances clamping force and resistance to vibrational loosening, making it ideal for machinery, automotive assemblies, and structural frameworks where reliability is paramount. The zinc plating provides a durable barrier against corrosion, significantly reducing maintenance needs in exposed or humid conditions. With a tensile strength of 120,000 psi and full threading, it ensures uniform stress distribution and robust holding power across diverse applications, from construction to manufacturing. Its compliance with ASME B18.2.1 ensures dimensional accuracy, facilitating seamless integration into standardized industrial projects while meeting rigorous performance demands.

Specification Summary & Compliance

This fastener features a 5/16"-24 UNF fine thread with Class 2A fit for precise tolerance, ensuring consistent engagement and alignment. Manufactured in accordance with ASME B18.2.1 and SAE J429 specifications, it guarantees dimensional reliability and mechanical performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting environmentally responsible sourcing for industrial use.