S-91900A855 M5 x 10 mm ASTM F879M, ISO 7380 Tamper-Resistant Torx Stainless Steel Button Head Screws

Key Features & Benefits at a Glance

• Enhanced tamper resistance with specialized Torx T25 drive design, preventing unauthorized access in sensitive installations
• Superior corrosion protection through 18-8 stainless steel construction and passivated surface treatment for extended service life
• Reliable mechanical performance with 80,000 psi tensile strength and Rockwell B96 hardness for demanding industrial applications
• Precision thread engagement with Class 6g metric coarse threads ensuring consistent fastening performance
• Full-threaded design providing maximum grip length and superior holding power across the entire fastener length
• Rounded button head profile offering a low-profile, aesthetically pleasing finish while maintaining structural integrity
• Global compliance assurance meeting ASTM F879M, ISO 7380, RoHS 3, and REACH standards for international project requirements

Professional Applications & Engineering Value

Engineered for critical security applications where tampering prevention is paramount, these M5 metric screws with tamper-resistant Torx drive provide reliable protection in public infrastructure, electrical enclosures, and machinery guarding systems. The 18-8 stainless steel material combined with passivated finish delivers exceptional resistance to corrosion and chemical exposure, making them ideal for harsh environments including outdoor installations, marine equipment, and food processing facilities. The fully threaded design and Class 6g thread fit ensure maximum thread engagement and vibration resistance, while the rounded head profile minimizes snagging hazards and provides a smooth, professional appearance. These industrial fasteners maintain structural integrity under continuous stress with their 80,000 psi tensile strength, offering engineers a dependable solution for permanent installations requiring both security and durability.

Specification Summary & Compliance

This M5 x 0.8 mm metric screw features precision Class 6g thread fit with coarse thread spacing, ensuring optimal engagement and assembly efficiency. Manufactured to ASTM F879M specifications and equivalent to ISO 7380 standards, these fasteners guarantee dimensional accuracy and performance consistency. The product maintains full compliance with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations, confirming adherence to the latest international environmental and safety standards for industrial components.