S-92865A677 7/16"-14 x 2 1/2" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional Tensile Strength: With a 120,000 psi rating, this screw reliably withstands high-stress applications, reducing the risk of fastener failure in demanding environments.
• Superior Corrosion Resistance: The zinc plating provides a durable protective barrier, extending the service life of the screw in various industrial conditions.
• High-Strength Material Grade: Made from Grade 5 steel with a Rockwell C25 hardness, it offers excellent durability and resistance to wear and deformation.
• Optimized Thread Design: The 7/16"-14 UNC coarse thread and Class 2A fit ensure quick assembly, strong grip, and reliable performance in coarse-grained materials.
• Efficient Installation: The external hex drive and hex head design allow for easy tightening with standard tools, speeding up assembly and maintenance processes.
• Full Thread Engagement: Being fully threaded, it provides consistent clamping force along the entire length, enhancing joint stability.
• Regulatory Compliance: Meets ASME B18.2.1 and SAE J429 standards, ensuring quality and interoperability, while being RoHS 3 and REACH compliant for safe, environmentally conscious use.

Professional Applications & Engineering Value

This Grade 5 steel hex head screw is engineered to address critical challenges in heavy-duty industrial applications, such as machinery assembly, construction frameworks, and automotive components. The 7/16"-14 UNC coarse thread design, combined with a Class 2A thread fit, ensures precise engagement and high resistance to vibrational loosening, which is essential for maintaining structural integrity under dynamic loads. The zinc plating offers reliable corrosion protection, reducing maintenance needs in harsh environments. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it provides a robust solution for high-stress points, minimizing downtime and enhancing the longevity of assembled products. Fully threaded for uniform load distribution, this screw is ideal for applications requiring consistent clamping force and ease of installation with standard hex tools.

Specification Summary & Compliance

This fastener features a 7/16"-14 UNC coarse thread with Class 2A dimensional accuracy, ensuring reliable fit and performance. It complies with ASME B18.2.1 and SAE J429 specifications for hex head screws, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, confirming its suitability for use in environments with strict safety and environmental standards.