S-91900A838 10-24 x 3/8" 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
- Enhanced tamper resistance with specialized T25 Torx drive for superior security in public or restricted-access environments
- Exceptional corrosion resistance thanks to 18-8 stainless steel construction and passivated surface treatment
- Reliable high-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
- Precise Class 3A thread fit ensuring secure fastening and vibration resistance in machinery and equipment
- Full UNC coarse threading providing faster installation and improved grip in various materials
- Low-profile rounded button head design offering a smooth finish while maintaining structural integrity
- Full regulatory compliance with RoHS 3 and REACH standards for safe use in industrial and commercial settings
Professional Applications & Engineering Value
Engineered for industrial security and durability, this 18-8 stainless steel rounded head screw addresses critical challenges in equipment maintenance and public safety. The tamper-resistant T25 Torx drive prevents unauthorized access to sensitive machinery, electronic enclosures, and public infrastructure, while the passivated finish provides extended service life in humid or corrosive environments. Its 10-24 UNC coarse threading ensures rapid installation and strong holding power in metal assemblies, plastic components, and structural frameworks. The combination of 70,000 psi tensile strength and fully threaded design delivers consistent clamping force across the entire fastener length, making it ideal for vibration-prone applications where loosening could compromise system integrity.
Specification Summary & Compliance
This security fastener features precision Class 3A thread fit according to UNC standards with dimensions of 10-24 thread size and 3/8" length. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material transparency. The 18-8 stainless steel material maintains consistent mechanical properties including Rockwell B70 hardness, while the passivated surface treatment enhances corrosion protection without compromising dimensional accuracy.
