S-93310A809 M5 x 8 mm MIL-DTL-18240 Thread-Locking Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Vibration-resistant performance with permanent nylon patch thread locker that maintains secure fastening in high-stress environments
• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh industrial conditions
• High-strength reliability with 80,000 PSI tensile strength and Rockwell B96 hardness for demanding applications
• Wide temperature tolerance from -70° to 250°F (-57° to 121°C) ensuring consistent performance across extreme conditions
• Quick installation with hex drive design providing superior torque transmission and reduced tool slippage
• Precision threading with Class 6g metric coarse threads ensuring optimal fit and reduced cross-threading risks
• Regulatory compliance meeting multiple industrial standards for quality assurance and environmental safety

Professional Applications & Engineering Value

These M5 nylon patch locking screws deliver critical vibration resistance in industrial machinery, automotive assemblies, and electronic enclosures where loosening under dynamic loads poses significant failure risks. The 18-8 stainless steel construction provides excellent corrosion resistance in humid or chemically aggressive environments, while the fully threaded metric design with coarse 0.8mm pitch ensures rapid installation and maximum thread engagement. The hex drive button head combines aesthetic appeal with practical tool access in confined spaces. Engineered to maintain locking integrity across extreme temperature fluctuations from -70° to 250°F, these high tensile strength screws solve reliability challenges in vibration-prone applications while meeting stringent military and environmental standards.

Specification Summary & Compliance

Manufactured to precise Class 6g thread tolerance with metric coarse threading (M5 x 0.8mm pitch) and right-hand thread direction. Fully compliant with MIL-DTL-18240 specifications for quality assurance, RoHS 3 (2015/863/EU) for hazardous substance restriction, and REACH (EC 1907/2006) regulations for chemical safety. The nylon patch thread locker provides permanent locking functionality without compromising disassembly capability when required.