S-95635A651 M3 x 8 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
- Tamper-resistant hex drive prevents unauthorized access, enhancing equipment security in public or high-risk environments
- 18-8 stainless steel construction provides excellent corrosion resistance and durability for long service life in demanding conditions
- Passivated finish further enhances corrosion protection while maintaining consistent performance in harsh industrial settings
- 80000 psi tensile strength and Rockwell B96 hardness ensure reliable fastening under mechanical stress and vibration
- Class 6g thread fit with coarse pitch delivers secure engagement and easier installation in various materials
- Fully threaded design maximizes holding power across the entire fastener length
- Rounded button head profile offers a low-profile, snag-resistant finish ideal for applications where clearance is limited
Professional Applications & Engineering Value
These M3 metric screws with tamper-resistant hex drive address critical security and reliability challenges in industrial applications. The 18-8 stainless steel material combined with passivated finish provides superior corrosion resistance, making them ideal for electronics enclosures, medical devices, and outdoor equipment where environmental exposure is a concern. The coarse thread pitch and Class 6g thread fit ensure quick installation and secure fastening in plastic, aluminum, and sheet metal assemblies. With their rounded head design and 3/32" drive size, these security screws prevent tampering while maintaining a low profile for applications where space constraints and vandalism prevention are engineering priorities.
Specification Summary & Compliance
This M3 x 0.5mm x 8mm fastener features Class 6g thread tolerance with metric coarse threading and is manufactured to meet ASTM F879M specifications. The screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet current industry standards for restricted substances and chemical safety in industrial applications.
