S-90517A212 8-32 x 1/2" ASME B18.3 Tamper-Resistant Hex Drive Flat Head Screws
Tamper-Resistant Hex Drive Flat Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Tamper-resistant hex drive prevents unauthorized removal, enhancing security in public or restricted-access applications
- 18-8 stainless steel construction provides excellent corrosion resistance and durability in harsh industrial environments
- Passivated finish further enhances corrosion protection and extends service life
- Class 3A thread fit ensures precise, tight-tolerance engagement for reliable fastening performance
- 70,000 psi tensile strength delivers superior mechanical performance under high-stress conditions
- 82° countersink angle with flat head design allows for flush installation and clean aesthetic finish
- Fully threaded design provides maximum grip length and holding power throughout the entire fastener
Professional Applications & Engineering Value
These 8-32 UNC flat head screws with tamper-resistant hex drive are engineered to address critical security and reliability challenges in industrial settings. The 18-8 stainless steel material combined with passivated finish provides exceptional resistance to corrosion and chemical exposure, making them ideal for outdoor equipment, marine applications, and harsh manufacturing environments. The Class 3A thread fit with coarse thread spacing ensures quick installation and vibration resistance, while the 82° countersink angle allows for seamless integration into machinery, electronic enclosures, and public infrastructure where both security and aesthetic considerations are paramount. These screws deliver reliable performance in security panels, access control systems, and permanent installations where tampering prevention is essential.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3A thread fit and UNC thread form for superior fastening performance. Complies with ASME B18.3 specifications for dimensional accuracy and mechanical properties. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) requirements, ensuring safe use across various industrial applications.
