S-91321A117 6-32 x 1/2" MS35190-238, NASM35190 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with cadmium-plated steel construction for extended service life in harsh industrial environments
• High tensile strength of 60,000 psi ensures reliable fastening performance under significant mechanical stress
• Precise Class 2A thread fit provides consistent engagement and reduces cross-threading risks during assembly
• Standard 82° countersink angle enables flush mounting for clean, professional finishes in visible applications
• Fully threaded design maximizes grip length and distributes clamping force evenly across the entire fastener
• Coarse UNC threading facilitates quick installation and superior resistance to vibration loosening
• Phillips No. 2 drive offers familiar, efficient installation with standard industrial tools

Professional Applications & Engineering Value

These cadmium-plated steel flat head screws deliver exceptional performance in demanding industrial applications where corrosion resistance and structural integrity are paramount. The combination of 6-32 UNC coarse threading and Class 2A thread fit ensures reliable fastening in sheet metal, machinery components, and electronic enclosures where vibration resistance is critical. The standard 82° countersink angle allows for seamless integration into precision assemblies, eliminating protrusions that could interfere with moving parts or compromise aesthetic requirements. Engineered to meet MS35190-238 specifications, these fully threaded screws provide maximum thread engagement across their entire length, distributing clamping forces evenly to prevent joint failure in high-stress applications.

Specification Summary & Compliance

This 6-32 UNC flat head Phillips screw features precise Class 2A thread fit per Unified Thread Standard specifications, ensuring dimensional accuracy and compatibility with standard mating components. The fastener complies with MS35190-238 (NASM35190) military specification requirements, guaranteeing consistent quality and performance in critical applications. Manufactured from cadmium-plated steel with a tensile strength rating of 60,000 psi, the screw maintains structural integrity under demanding conditions while providing enhanced corrosion protection for extended service life.