S-92805A264 10-32 x 1/2" ASME B18.3, ASTM F879, MIL-DTL-18240 Stainless Steel Thread-Locking Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with permanent nylon patch ensures secure fastening in high-stress environments, preventing loosening under dynamic loads.
• Superior corrosion resistance from 18-8 Stainless Steel construction maintains integrity in harsh or humid conditions, reducing maintenance needs.
• High tensile strength of 70,000 psi provides reliable load-bearing capacity for demanding industrial applications.
• Precise Class 3A thread fit offers tight tolerances for smooth assembly and enhanced thread engagement, minimizing cross-threading risks.
• Wide temperature tolerance (-65° to 250°F) allows consistent performance in extreme thermal environments without degradation.
• Flat head with 82° countersink angle enables flush mounting for streamlined surfaces and improved aesthetic integration.
• Hex drive design (1/8") facilitates easy installation and removal with standard tools, boosting assembly efficiency.

Professional Applications & Engineering Value

Engineered for high-vibration and critical-load scenarios, this 10-32 UNF flat head screw addresses common industrial challenges like fastener fatigue and environmental degradation. The nylon patch locking mechanism creates a permanent bond that resists loosening from machinery vibrations, while the 18-8 Stainless Steel material ensures longevity against corrosion in outdoor or chemical-exposed settings. Its fine thread and Class 3A fit deliver superior holding power in thin materials or precision assemblies, such as aerospace components, automotive systems, and electronic enclosures. The fully threaded design maximizes grip length, distributing stress evenly to prevent joint failure in heavy-duty fastening applications.

Specification Summary & Compliance

This screw adheres to Class 3A thread fit for precise dimensional accuracy under UNF fine thread standards. It complies with ASME B18.3, ASTM F879, and MIL-DTL-18240 manufacturing specifications, ensuring consistent quality and interoperability. Environmental and safety standards include RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free of restricted hazardous substances for global use.