S-92865A730 1/2"-13 x 4 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 120,000 PSI tensile strength, this screw provides reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior Corrosion Resistance: Zinc plating offers enhanced protection against rust and environmental damage, extending the service life in harsh industrial conditions.
• Optimized Thread Design: UNC coarse thread spacing ensures quick and easy installation, minimizing assembly time and labor costs.
• High Durability: Made from Grade 5 steel with Rockwell C25 hardness, it withstands heavy loads and repeated use without deformation.
• Precise Thread Fit: Class 2A thread fit guarantees consistent engagement and secure fastening, reducing the likelihood of loosening under vibration.
• Wide Compatibility: Fully threaded design and external hex drive allow for versatile use with standard tools, improving efficiency in various assembly setups.
• Regulatory Compliance: Meets ASME B18.2.1 and SAE J429 standards, ensuring quality and safety in regulated industrial environments.

Professional Applications & Engineering Value

This Grade 5 steel hex head screw is engineered to address common industrial challenges, such as vibration-induced loosening and corrosion in demanding settings. Its UNC coarse thread and Class 2A fit provide reliable grip in materials like metal and wood, reducing installation errors and maintenance needs. The zinc plating adds a protective layer that combats moisture and chemicals, making it ideal for outdoor machinery, construction frameworks, and automotive assemblies. With a fully threaded design and external hex drive, it ensures uniform stress distribution and easy torque application, enhancing structural integrity in heavy-duty applications while complying with industry standards for safety and performance.

Specification Summary & Compliance

This product features precise Class 2A thread fit and adheres to UNC coarse thread standards with a diameter of 1/2"-13. It meets manufacturing specifications under ASME B18.2.1 and SAE J429, ensuring dimensional accuracy and reliability. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally safe and sustainable industrial practices.