S-92620A720 1/2"-13 x 2" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 PSI tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance through zinc yellow-chromate plating, extending service life in harsh environments
• Optimized thread engagement with UNC coarse threading and Class 2A fit ensuring secure fastening and vibration resistance
• Maximum torque transmission via external hex drive design for efficient installation with standard tools
• Enhanced durability with Rockwell C33 hardness maintaining structural integrity under repeated stress
• Full-threaded design providing consistent clamping force along the entire 2" length
• Regulatory compliance assurance meeting ASME B18.2.1, SAE J429 standards and environmental regulations

Professional Applications & Engineering Value

These Grade 8 hex head screws deliver critical engineering solutions for industrial applications requiring maximum tensile strength and corrosion resistance. The combination of 150,000 PSI tensile strength and Rockwell C33 hardness makes them ideal for heavy machinery, structural steel connections, and equipment subjected to dynamic loads. The zinc yellow-chromate plating provides superior protection against rust and chemical exposure in manufacturing plants, outdoor installations, and marine environments. The 1/2"-13 UNC coarse thread with Class 2A fit ensures rapid assembly and reliable performance in vibration-prone applications, while the external hex drive allows for high-torque installation without stripping. These fully threaded screws maintain consistent clamping force across the entire 2" length, preventing joint loosening in critical industrial fastening applications.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with Class 2A thread fit tolerance for optimal engagement. Features 1/2"-13 UNC coarse threads with right-hand orientation and complies with ASME B18.2.1 and SAE J429 specifications. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards for environmental safety. The steel construction with zinc yellow-chromate finish ensures consistent performance across industrial applications while maintaining regulatory requirements.