S-92562A227 8-32 x 1 1/4" MS16997-37, NAS1352-08-20P Mil. Spec. Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 160,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• Superior corrosion resistance from cadmium plating extends service life in harsh industrial environments, minimizing maintenance needs.
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies in critical applications.
• Coarse UNRC threads enable quicker installation and better debris resistance compared to fine-thread alternatives.
• Partially threaded design allows for controlled clamping force and easier alignment in assemblies with unthreaded sections.
• High hardness (Rockwell C39) enhances wear resistance and durability, maintaining thread integrity through repeated use.
• Hex socket drive offers secure tool engagement and high torque transmission without slippage, speeding up assembly processes.

Professional Applications & Engineering Value

This cadmium-plated alloy steel socket head cap screw is engineered to address common industrial fastening challenges, including vibration loosening and environmental degradation. The coarse UNRC thread design combined with a Class 3A fit ensures rapid, reliable installation in machinery, automotive, and aerospace assemblies where precision and durability are paramount. Its 160,000 psi tensile strength and Rockwell C39 hardness provide robust performance in high-load applications, while the cadmium plating offers essential corrosion protection for extended service life in demanding conditions. The partially threaded configuration allows for optimal stress distribution, making it ideal for components requiring precise clamping without full-length threading.

Specification Summary & Compliance

This fastener meets MS16997-37 specifications and conforms to NAS1352-08-20P standards, ensuring adherence to rigorous aerospace and industrial requirements. It features a Class 3A thread fit for superior dimensional accuracy and a coarse UNRC thread with precise spacing. The screw is manufactured from high-strength alloy steel with cadmium plating, complying with industry standards for mechanical performance and environmental regulations, including RoHS and REACH where applicable.