S-90517A313 10-24 x 3/4" ASME B18.3 Tamper-Resistant Hex Drive Flat Head Screws
Tamper-Resistant Hex Drive 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 resistance with specialized hex drive requiring matching tools, preventing unauthorized removal in secure facilities
- Superior corrosion resistance through 18-8 stainless steel construction and passivated finish, ensuring longevity in harsh environments
- Reliable high-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding industrial applications
- Precision thread engagement with Class 3A fit and UNC coarse threads providing secure fastening and vibration resistance
- Optimal flush mounting with standard 82° countersink angle flat head design for smooth surface finishes
- Full-threaded coverage along the 3/4" length maximizes grip strength and load distribution
- Regulatory compliance assurance meeting ASME B18.3 standards and environmental regulations for global industrial use
Professional Applications & Engineering Value
This 18-8 stainless steel flat head screw with tamper-resistant hex drive addresses critical security and durability challenges in industrial settings. The passivated finish significantly enhances corrosion resistance, making it ideal for manufacturing equipment, electrical enclosures, and outdoor infrastructure exposed to moisture and chemicals. The Class 3A thread fit with UNC coarse threads ensures precise engagement and maintains integrity under vibration, while the specialized drive system prevents unauthorized access in secure facilities, public installations, and maintenance panels. With its 70000 psi tensile strength and full threading, it provides reliable fastening in high-stress applications where both security and mechanical performance are paramount.
Specification Summary & Compliance
This fastener features precision Class 3A thread fit with UNC coarse threads (10-24 size) and maintains dimensional accuracy per ASME B18.3 manufacturing specifications. The screw demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications. Manufacturing standards guarantee consistent 82° countersink angle and proper 5/32" tamper-resistant hex drive dimensions for reliable performance and security.
