S-91870A728 12-24 x 3/4" ASME B18.3 Tamper-Resistant Torx Stainless Steel Flat Head Screws
Tamper-Resistant Torx Stainless Steel Flat 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-proof security with specialized Torx T25 drive, preventing unauthorized access in sensitive installations.
- Superior corrosion resistance from 18-8 stainless steel and passivated finish, ensuring longevity in harsh environments.
- High tensile strength of 70,000 psi provides reliable load-bearing capacity for demanding industrial applications.
- Precise Class 3A thread fit guarantees smooth assembly and secure fastening with minimal risk of cross-threading.
- Full threading and 82° countersink enable flush mounting and even load distribution across joined materials.
- Consistent hardness (Rockwell B70) maintains structural integrity under repeated stress and vibration.
- Compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
This 12-24 UNC 3/4" flat head screw is engineered to address critical challenges in industrial and security-focused environments. The 18-8 stainless steel construction, combined with a passivated finish, offers exceptional resistance to rust and chemical exposure, making it ideal for outdoor equipment, marine hardware, and chemical processing facilities. The tamper-resistant Torx T25 drive deters vandalism and unauthorized disassembly in public infrastructure, electrical enclosures, and machinery guards. With a coarse UNC thread and Class 3A fit, it ensures quick installation and reliable holding power in metal, plastic, or composite materials, reducing maintenance downtime and enhancing operational security.
Specification Summary & Compliance
This screw features a 12-24 UNC coarse thread with Class 3A precision tolerance for consistent threading performance. It is manufactured in accordance with ASME B18.3 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial use.
