S-93401A309 8-32 x 5/8" ASTM F835, MS24667-15 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 140,000 PSI ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance from cadmium plating protects against rust and degradation, extending service life in harsh industrial environments.
• Precise Class 3A thread fit guarantees tight, secure fastening with minimal play, enhancing assembly integrity and vibration resistance.
• Hex drive design (3/32") allows for high-torque installation and easy removal, speeding up assembly and maintenance processes.
• Fully threaded shank provides maximum grip along the entire length, offering versatile fastening solutions for various material thicknesses.
• 82° countersink angle enables a flush, low-profile finish that minimizes protrusion and improves aerodynamic or aesthetic surfaces.
• High hardness (Rockwell C39) ensures excellent wear resistance and durability, maintaining thread integrity through repeated use.

Professional Applications & Engineering Value

Engineered for industrial and heavy-duty applications, these 8-32 UNC flat head screws are crafted from cadmium-plated alloy steel to combat corrosion and mechanical stress in environments like machinery assembly, automotive systems, and structural frameworks. The coarse UNC thread and Class 3A fit deliver secure, vibration-resistant connections, preventing loosening in dynamic settings. With a hex drive for efficient installation and an 82° countersink for seamless integration, they solve common issues of fastener fatigue and misalignment, ensuring long-term reliability in high-performance fastening scenarios.

Specification Summary & Compliance

This screw adheres to inch system measurements with precise dimensions: 5/8" length, 8-32 UNC coarse thread, and Class 3A thread fit for tight tolerances. It meets ASTM F835 MS24667-15 specifications, ensuring consistency in manufacturing and performance. The product complies with industry standards for heavy-duty fasteners, including material and threading requirements, and is suitable for applications demanding high tensile strength and corrosion resistance, with no specified RoHS or REACH non-compliances noted.