S-91900A301 M3 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
- Tamper-resistant Torx T8 drive provides enhanced security against unauthorized access in sensitive applications
- 18-8 stainless steel construction delivers excellent corrosion resistance and durability in demanding environments
- Passivated surface finish significantly enhances corrosion protection while maintaining a clean, professional appearance
- Class 6g thread fit with full threading ensures precise engagement and reliable fastening performance
- 80,000 psi tensile strength and Rockwell B96 hardness provide exceptional mechanical strength for long-term reliability
- Rounded button head design offers a low-profile, aesthetically pleasing finish while reducing snag hazards
- Comprehensive compliance with ASTM F879M, ISO 7380, RoHS 3, and REACH ensures quality and environmental responsibility
Professional Applications & Engineering Value
These M3 metric screws with tamper-resistant Torx drive are engineered specifically for applications where security and reliability are paramount. 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 exposed to harsh environments. The fully threaded design with Class 6g thread fit ensures maximum thread engagement and vibration resistance, while the rounded button head creates a smooth, professional appearance without sharp edges. These security screws effectively prevent tampering in public access points, transportation systems, and industrial machinery where unauthorized disassembly must be prevented.
Specification Summary & Compliance
This M3 x 0.5 mm pitch x 16 mm length fastener features Class 6g thread tolerance with coarse thread spacing and right-hand thread direction. Manufacturing complies with ASTM F879M and ISO 7380 specifications, ensuring dimensional accuracy and performance consistency. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting the latest environmental regulations for hazardous substances. The fully threaded design with metric thread type provides reliable fastening performance across industrial applications.
