S-92562A588 1/4"-28 x 3/4" MS16998-43, NAS1351-4-12P 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.
• Precision Class 3A thread fit guarantees tight, secure connections with minimal play, enhancing assembly accuracy and vibration resistance.
• Fine UNRF threads provide improved load distribution and better sealing capabilities compared to coarse threads.
• High Rockwell C39 hardness offers excellent wear resistance, maintaining thread integrity through repeated installations.
• Hex socket drive design allows for high-torque application and easy installation in confined spaces with standard tools.
• Full threading along the entire 3/4" length enables flexible positioning and maximum grip strength in various material thicknesses.

Professional Applications & Engineering Value

These cadmium-plated alloy steel socket head cap screws are engineered to address critical fastening challenges in precision industries. The combination of 160,000 psi tensile strength and Class 3A UNRF fine threads provides exceptional clamp load retention in high-vibration environments common in aerospace, automotive, and heavy machinery applications. The hex socket drive enables precise torque control during installation, preventing damage to sensitive components while ensuring consistent preload. The cadmium plating creates a reliable barrier against corrosion and galling, particularly important in assemblies exposed to weather, chemicals, or temperature variations. These socket head cap screws deliver engineering value through their ability to maintain joint integrity in critical applications where fastener failure is not an option.

Specification Summary & Compliance

This 1/4"-28 thread socket head cap screw features precision Class 3A thread fit with UNRF fine thread profile in the inch system. Manufactured to exacting standards including MS16998-43 and NAS1351-4-12P specifications, these fasteners ensure dimensional accuracy and consistent performance. The fully threaded design with right-hand thread direction provides complete engagement capability. Compliance with industry standards guarantees interchangeability and reliability in demanding applications where specification adherence is critical for safety and performance.