S-92865A632 3/8"-16 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 without failure.
• Superior Corrosion Resistance: The zinc plating provides a durable barrier against rust and corrosion, extending service life in harsh environments.
• Optimized for High-Torque Installation: The external hex head design allows for secure, high-torque tightening with standard tools, reducing installation time.
• Reliable Thread Engagement: Fully threaded UNC coarse threads and Class 2A fit ensure quick, secure fastening and excellent vibration resistance.
• Consistent Mechanical Performance: Grade 5 classification and Rockwell C25 hardness guarantee uniform strength and durability across all fasteners.
• Broad Industrial Compliance: Meets ASME B18.2.1 and SAE J429 standards, ensuring interchangeability and reliability in regulated applications.
• Environmental and Safety Assurance: Compliant with RoHS 3 and REACH, making it safe for use in various industries without hazardous substance concerns.

Professional Applications & Engineering Value

This Grade 5 steel hex head screw is engineered to address critical challenges in industrial assembly, such as joint integrity under dynamic loads and exposure to corrosive elements. The zinc plating significantly enhances corrosion resistance, making it ideal for outdoor machinery, automotive frames, and structural steel connections where moisture is a concern. Its UNC coarse threading and fully threaded design provide rapid installation and superior grip in materials like steel and cast iron, reducing the risk of loosening from vibrations. The external hex drive facilitates high-torque application with common tools, streamlining maintenance and assembly processes in heavy-duty fastening scenarios. By combining high tensile strength with precise Class 2A thread fit, this fastener ensures reliable performance in demanding applications, from construction to manufacturing equipment.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including Class 2A thread fit for consistent assembly and UNC coarse threads per inch system requirements. It meets manufacturing specifications under ASME B18.2.1 and SAE J429 for Grade 5 fasteners, ensuring mechanical properties like tensile strength and hardness are rigorously maintained. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms it is free from restricted substances, supporting safe and sustainable use in global industrial markets.