S-92620A964 1"-8 x 5" 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 provided by zinc yellow-chromate plating, extending service life in harsh environments
• Optimized thread engagement through coarse UNC threading and Class 2A fit, ensuring secure fastening and vibration resistance
• Maximum thread utilization with full threading along the 5" length for enhanced grip and distribution of clamping forces
• High-strength material construction meeting Grade 8 standards with Rockwell C33 hardness for durability under extreme conditions
• Easy installation and removal featuring external hex drive and 1-1/2" head width for standard tool compatibility
• Industry compliance assurance manufactured to ASME B18.2.1 and SAE J429 specifications for consistent quality and reliability

Professional Applications & Engineering Value

This Grade 8 hex head screw delivers critical engineering solutions for heavy-duty industrial applications where failure is not an option. The combination of high-strength steel material and zinc yellow-chromate plating addresses common challenges in construction, machinery assembly, and structural frameworks by providing exceptional corrosion resistance while maintaining 150,000 psi tensile strength. The coarse UNC threading ensures rapid installation and superior resistance to vibration loosening, making it ideal for equipment subjected to dynamic loads. The fully threaded design maximizes surface contact area, distributing stress evenly across the entire 5" length to prevent point failures in critical joints. These industrial fasteners are engineered to withstand extreme conditions while maintaining structural integrity, reducing maintenance frequency and downtime in demanding operational environments.

Specification Summary & Compliance

This heavy-duty hex head screw features precision Class 2A thread fit with 1"-8 UNC coarse threading and right-hand thread direction, manufactured to exacting dimensional standards. The fastener complies with ASME B18.2.1 and SAE J429 specifications for Grade 8 requirements, ensuring consistent performance and interchangeability. With Rockwell C33 hardness and full compliance with industrial manufacturing standards, this screw provides reliable mechanical properties for critical applications where quality assurance is paramount.