S-92178A161 M3 x 12 mm ASTM F879M, ISO 7380 Sealing Tamper-Resistant Torx Stainless Steel Button Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated Buna-N rubber O-ring that prevents leaks in demanding applications
• Enhanced tamper resistance through specialized Torx T8 drive design for improved security in public or restricted areas
• Exceptional corrosion resistance from passivated 18-8 stainless steel construction, ensuring longevity in harsh environments
• Reliable high-pressure capability maintaining integrity up to 1500 psi for critical sealing applications
• Wide temperature tolerance from -40° to 225°F (-40° to 107°C) for stable performance across diverse operating conditions
• Precision thread engagement with Class 6g fit and coarse pitch for secure fastening and easy installation
• Comprehensive compliance meeting international standards including ASTM F879M and ISO 7380 for guaranteed quality

Professional Applications & Engineering Value

This M3 metric screw with Buna-N rubber O-ring delivers critical sealing solutions for industrial equipment, electronic enclosures, and machinery requiring fluid or pressure containment. The passivated 18-8 stainless steel construction provides excellent corrosion resistance in challenging environments, while the tamper-resistant Torx T8 drive prevents unauthorized access in public-facing or security-sensitive installations. With fully threaded design and Class 6g thread fit, engineers benefit from consistent clamping force and reliable performance in applications demanding pressure sealing up to 1500 psi. The combination of rounded button head profile and integrated sealing element makes this fastener ideal for OEM applications where both aesthetic appeal and functional reliability are paramount.

Specification Summary & Compliance

This metric fastener features precision M3 x 0.5 mm coarse threading with Class 6g tolerance for optimal fit. Manufactured to meet ASTM F879M and ISO 7380 specifications, ensuring dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no substances of very high concern. The 12 mm length and fully threaded design provide maximum engagement for secure fastening in applications requiring sealing capability.