S-92178A178 M6 x 20 mm ASTM F879M, ISO 7380 Sealing Tamper-Resistant Torx Stainless Steel Button Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for long-lasting performance in harsh environments
• Enhanced security and tamper resistance through specialized T27 Torx drive design, preventing unauthorized access
• Reliable high-pressure sealing with Buna-N rubber O-ring that maintains integrity up to 1500 psi
• Wide temperature compatibility from -40° to 225°F (-40° to 107°C) for diverse industrial applications
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B96 hardness for heavy-duty use
• Precise metric threading with Class 6g tolerance ensuring consistent, reliable fastening performance
• Comprehensive regulatory compliance meeting international standards including ASTM F879M, ISO 7380, RoHS 3, and REACH

Professional Applications & Engineering Value

This M6 metric screw with passivated 18-8 stainless steel construction and tamper-resistant Torx drive addresses critical engineering challenges in security-sensitive and sealed applications. The combination of Buna-N rubber O-ring sealing and fully threaded design provides reliable protection against fluid ingress and pressure variations up to 1500 psi, making it ideal for industrial equipment, outdoor machinery, and security enclosures. The rounded button head profile offers both aesthetic appeal and functional clearance, while the coarse thread pitch ensures quick installation and superior holding power in various materials. Engineered for demanding environments, this sealing screw maintains performance across extreme temperature ranges from -40° to 225°F, providing long-term reliability in manufacturing, automotive, and electronic assembly applications where both security and environmental protection are paramount.

Specification Summary & Compliance

This metric fastener features precise Class 6g thread fit tolerance with M6 x 1 mm coarse threading and 20 mm length. Manufacturing complies with ASTM F879M and ISO 7380 standards, ensuring dimensional accuracy and performance consistency. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substances. The passivated surface treatment enhances corrosion resistance while maintaining the material's inherent strength characteristics.