S-91870A475 M5 x 30 mm ASTM F879M Tamper-Resistant Torx Stainless Steel Flat Head Screws
Tamper-Resistant Torx Stainless Steel Flat Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Enhanced tamper-resistance with T25 Torx drive prevents unauthorized removal in secure applications
- Superior corrosion resistance through 18-8 stainless steel construction and passivated finish for extended service life
- Maximum holding power with fully threaded design and Class 6g thread fit ensuring precise engagement
- High mechanical strength delivering 80,000 psi tensile strength and Rockwell B96 hardness for demanding applications
- Secure flush installation with 90° countersink angle and standard flat head profile
- Reliable metric performance with M5 coarse thread (0.8mm pitch) for quick assembly and strong fastening
- Full regulatory compliance meeting ASTM F879M specifications and environmental standards (RoHS 3, REACH)
Professional Applications & Engineering Value
This M5 flat head screw with tamper-resistant Torx drive addresses critical security and durability challenges in industrial settings. The combination of 18-8 stainless steel and passivated finish provides exceptional resistance to corrosion and chemical exposure, making it ideal for harsh environments where standard fasteners fail. The fully threaded design ensures maximum grip strength across the entire 30mm length, while the Class 6g thread fit maintains precise tolerances for consistent performance. These security screws are engineered for applications requiring permanent or tamper-proof fastening in machinery, electronic enclosures, public infrastructure, and industrial equipment where vibration resistance and long-term reliability are paramount.
Specification Summary & Compliance
This metric fastener features M5 x 0.8mm coarse threading with Class 6g thread fit precision and fully threaded design. Manufacturing complies with ASTM F879M specifications, ensuring consistent quality and performance. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) requirements for chemical safety, making it suitable for regulated industries and international markets.
