S-95635A696 M5 x 20 mm ASTM F879M Tamper-Resistant Hex-Drive Stainless Steel Button Head Screws

Key Features & Benefits at a Glance

• Superior tamper resistance with specialized hex drive design prevents unauthorized removal in high-security environments
• Exceptional corrosion resistance through 18-8 stainless steel construction and passivated surface treatment for long-term reliability
• High mechanical strength with 80,000 psi tensile strength and Rockwell B96 hardness withstands demanding industrial applications
• Precision threading performance with Class 6g thread fit and coarse pitch ensures reliable engagement and vibration resistance
• Enhanced installation security through fully threaded design provides maximum holding power across the entire fastener length
• Rounded head profile offers smooth finished appearance while reducing potential snagging hazards
• Comprehensive regulatory compliance meets international standards including ASTM F879M, RoHS 3, and REACH for global project acceptance

Professional Applications & Engineering Value

Engineered for critical security applications, these M5 metric screws with tamper-resistant hex drive provide reliable protection against unauthorized access in public infrastructure, industrial equipment, and transportation systems. The 18-8 stainless steel composition combined with passivated finish delivers exceptional resistance to corrosion, moisture, and chemical exposure, ensuring long-term performance in harsh environments. The coarse thread pitch and Class 6g thread fit enable rapid installation while maintaining secure fastening in various materials. With fully threaded design and rounded head profile, these security screws offer both functional protection and aesthetic appeal for applications where both security and professional appearance are paramount.

Specification Summary & Compliance

This M5 x 0.8mm x 20mm security screw features precision metric threading with Class 6g thread fit tolerance and coarse thread spacing for optimal performance. Manufactured to ASTM F879M specifications with complete compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and international acceptance. The fastener maintains dimensional accuracy with standardized 9.5 mm head diameter and 2.74 mm head height for consistent installation across applications.