S-91900A866 M8 x 16 mm ASTM F879M, ISO 7380 Tamper-Resistant Torx Stainless Steel Button Head Screws
Tamper-Resistant Torx Stainless Steel Button Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Enhanced tamper resistance with specialized Torx T40 drive for secure installations in high-security environments
- Superior corrosion protection through 18-8 stainless steel construction and passivated surface treatment
- High mechanical strength with 80,000 PSI tensile strength and Rockwell B96 hardness for demanding applications
- Precision thread engagement with Class 6g fit and M8x1.25 coarse threading for reliable fastening performance
- Optimized head design featuring rounded button profile for reduced snagging and clean aesthetic appearance
- Full threading capability ensuring maximum grip length and uniform stress distribution
- Regulatory compliance meeting international standards including ASTM F879M and ISO 7380 specifications
Professional Applications & Engineering Value
These M8 metric screws with tamper-resistant Torx drive provide critical security solutions for industrial equipment, public infrastructure, and access control 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 applications, and manufacturing facilities. The fully threaded design with Class 6g thread fit ensures consistent clamping force and vibration resistance, while the rounded head profile minimizes protrusion hazards. These security screws are engineered to prevent unauthorized access while maintaining structural integrity under continuous mechanical stress, offering reliable performance in assembly lines, machinery guarding, and electronic enclosures where tampering prevention is paramount.
Specification Summary & Compliance
Manufactured to precise metric dimensions with M8x1.25mm coarse thread and Class 6g thread tolerance for consistent fitment. Complies with ASTM F879M and ISO 7380 mechanical and dimensional specifications. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards. Features right-hand thread direction, 16mm length, and fully threaded construction with Rockwell B96 hardness rating.
