S-91900A871 M10 x 20 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
- Superior tamper resistance with Torx T45 drive to prevent unauthorized access in high-security applications
- Excellent corrosion protection through 18-8 stainless steel construction and passivated surface treatment
- Reliable thread engagement with fully threaded M10x1.5mm coarse thread design for maximum holding power
- Consistent performance maintained by 80,000 psi tensile strength and Rockwell B96 hardness rating
- Precision manufacturing ensuring Class 6g thread fit for smooth installation and secure fastening
- Regulatory compliance with ASTM F879M, ISO 7380 standards plus RoHS 3 and REACH environmental directives
- Optimized head design featuring rounded button profile for reduced snagging and improved aesthetics
Professional Applications & Engineering Value
These M10 metric rounded head screws deliver critical security and durability where standard fasteners fail. The 18-8 stainless steel base material combined with passivated finish creates exceptional resistance to corrosion, moisture, and chemical exposure in demanding environments. The tamper-resistant Torx T45 drive provides secure installation while deterring unauthorized removal in public facilities, industrial equipment, and transportation systems. With fully threaded coarse pitch design and Class 6g thread fit, these security screws ensure rapid installation and reliable performance in metal assemblies, machinery guards, and access panels where vibration resistance and long-term reliability are paramount.
Specification Summary & Compliance
Manufactured to precise metric dimensions with M10 thread size, 1.5mm coarse pitch, and 20mm length. Threads conform to Class 6g tolerance for consistent fit and performance. Meets ASTM F879M and ISO 7380 manufacturing specifications. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no substances of very high concern as of the latest compliance verification.
