S-94063A829 10-32 x 1/2" ASME B18.6.3 Tamper-Resistant Drilled Spanner Flat Head Screws
Tamper-Resistant Drilled Spanner 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
- Superior corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh environments
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-term fastening
- Precise thread engagement with Class 2A fit and fine UNF threading, ensuring secure, vibration-resistant connections
- Flush, low-profile installation thanks to the standard flat head and 82° countersink angle for smooth surface finishes
- Secure tamper-resistant drive with drilled spanner design, enhancing safety in public or high-security applications
- Full threading along the 1/2" length for maximum grip and load distribution in thin materials
- Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH for global regulatory acceptance
Professional Applications & Engineering Value
This 10-32 UNF flat head spanner screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and space constraints. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to rust and chemicals, making it suitable for outdoor, marine, and chemical processing equipment. The drilled spanner drive offers tamper-resistant benefits, ideal for public infrastructure, security panels, and machinery requiring limited access. With a fine thread spacing and Class 2A thread fit, it ensures tight, reliable fastening in applications like electronics enclosures, automotive assemblies, and precision instruments, reducing maintenance needs and enhancing product lifespan.
Specification Summary & Compliance
This screw features a 10-32 UNF thread size with Class 2A thread fit and fine thread spacing for precise dimensional accuracy. It is manufactured in compliance with ASME B18.6.3 standards, ensuring consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for use in various industrial and consumer applications.
