S-95635A735 M8 x 25 mm ASTM F879M Tamper-Resistant Hex-Drive Stainless Steel Button Head Screws
Tamper-Resistant Hex-Drive 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 Security: Tamper-resistant hex drive prevents unauthorized removal, ideal for public or high-risk installations.
- Superior Corrosion Resistance: 18-8 Stainless Steel with passivated finish ensures long-term durability in harsh environments.
- High Mechanical Strength: 80,000 psi tensile strength and Rockwell B96 hardness provide reliable performance under stress.
- Precise Thread Engagement: Class 6g thread fit and fully threaded design ensure accurate installation and consistent clamping force.
- Optimized for Quick Assembly: Coarse M8 x 1.25mm thread profile enables faster driving and reduced cross-threading risk.
- Low-Profile, Secure Fastening: Rounded button head design offers a finished appearance while minimizing snagging.
- Regulatory Compliance: Meets ASTM F879M specifications and is RoHS 3/REACH compliant for global industrial use.
Professional Applications & Engineering Value
This M8 metric screw is engineered to address critical needs in security-sensitive and demanding industrial environments. The combination of 18-8 Stainless Steel and a passivated finish provides exceptional resistance to oxidation and chemical exposure, making it suitable for outdoor equipment, marine hardware, and food processing machinery. The tamper-resistant hex drive is a key feature for public infrastructure, transportation, and electronic enclosures where vandalism or unauthorized access is a concern. Its fully threaded design with a Class 6g fit ensures maximum thread engagement and vibration resistance, reducing maintenance needs. The coarse thread pitch allows for quicker installation in a variety of materials, from metal to composite, enhancing assembly efficiency without compromising the 80,000 psi tensile strength.
Specification Summary & Compliance
This fastener features an M8 x 1.25mm coarse thread with a Class 6g tolerance for precise fit. It is fully manufactured in compliance with ASTM F879M and adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free of restricted hazardous substances and safe for industrial use worldwide.
