S-90517A340 M6 x 25 mm ASTM F879M Tamper-Resistant Hex Drive Flat Head Screws
Tamper-Resistant Hex Drive Flat 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 hex drive design prevents unauthorized removal, ideal for security-sensitive installations
- Superior corrosion resistance through 18-8 stainless steel construction and passivated finish ensures longevity in harsh environments
- High-strength performance with 80,000 psi tensile strength and Rockwell B96 hardness withstands heavy mechanical stress
- Precision threading with Class 6g fit and coarse pitch provides reliable engagement and faster installation
- Full-threaded design maximizes grip length and load distribution across the entire fastener
- Standard flat head profile with 90° countersink enables flush mounting for smooth surface finishes
- Regulatory compliance meets ASTM F879M, RoHS 3, and REACH standards for quality assurance and environmental safety
Professional Applications & Engineering Value
These M6 flat head screws with tamper-resistant hex drive address critical security and durability challenges in industrial settings. The 18-8 stainless steel material, combined with a passivated finish, provides exceptional resistance to corrosion, oxidation, and chemical exposure, making them suitable for outdoor equipment, marine hardware, and food processing machinery. The fully threaded metric coarse thread design ensures maximum holding power and vibration resistance, while the Class 6g thread fit guarantees precise alignment and reduced installation errors. Ideal for securing access panels, electronic enclosures, and public infrastructure where vandalism or tampering is a concern, these screws deliver reliable performance without compromising on safety standards.
Specification Summary & Compliance
This M6 x 1mm x 25mm flat head screw features a Class 6g thread fit per ISO metric standards, ensuring dimensional accuracy and compatibility. Manufacturing adheres to ASTM F879M specifications for consistent quality. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting environmental safety in industrial applications.
