S-91870A114 M5 x 50 mm ASTM F879M Tamper-Resistant Torx Stainless Steel Flat Head Screws

Key Features & Benefits at a Glance

• Enhanced tamper resistance with specialized T25 Torx drive that deters unauthorized access in security-sensitive applications
• Superior corrosion resistance thanks to 18-8 stainless steel construction and passivated finish for long-term reliability in harsh environments
• High mechanical strength with 80,000 psi tensile strength and Rockwell B96 hardness to withstand demanding industrial loads
• Precise thread engagement with Class 6g fit and coarse M5x0.8mm threading ensuring secure fastening and vibration resistance
• Streamlined installation featuring standard flat head profile with 90° countersink angle for flush mounting in various materials
• Full compliance assurance meeting ASTM F879M specifications and environmental standards including RoHS 3 and REACH
• Complete thread coverage with 50mm fully threaded design providing maximum grip length and holding power

Professional Applications & Engineering Value

Engineered for industrial security applications, these M5 flat head screws with tamper-resistant Torx drive provide reliable protection against unauthorized tampering in public facilities, machinery enclosures, and electronic housings. The 18-8 stainless steel material combined with passivated finish delivers exceptional corrosion resistance, making them ideal for outdoor equipment, marine environments, and chemical processing facilities where moisture and corrosive elements are concerns. The Class 6g thread fit ensures precise mating with corresponding nuts and tapped holes, reducing the risk of cross-threading during assembly while maintaining vibration resistance in dynamic applications. With 80,000 psi tensile strength, these metric security screws withstand significant mechanical stress while the fully threaded design maximizes engagement in various material thicknesses.

Specification Summary & Compliance

This M5 x 0.8mm x 50mm flat head screw features Class 6g thread tolerance with coarse metric threading and right-hand thread direction. Manufacturing and quality standards strictly adhere to ASTM F879M specifications for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations concerning chemical safety, ensuring environmental responsibility and workplace safety compliance for industrial procurement.