S-94063A835 10-32 x 1 1/4" 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 from 18-8 stainless steel and passivated finish, ideal for harsh environments.
- High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-lasting fastening.
- Precise, secure installation via the drilled spanner drive, minimizing slippage and tool damage.
- Excellent thread engagement with a Class 2A fit and 10-32 UNF fine thread, ensuring vibration resistance and consistent clamping force.
- Optimized flush mounting with an 82° countersink angle and standard flat head profile for smooth, aerodynamic surfaces.
- Full threading along the 1-1/4" length provides maximum grip and adjustability in various material thicknesses.
- Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH for guaranteed quality and safety.
Professional Applications & Engineering Value
This 10-32 UNF flat head screw is engineered to address critical fastening challenges in precision industries. Its 18-8 stainless steel construction, enhanced by a passivated finish, offers exceptional resistance to oxidation and chemical exposure, making it suitable for applications in marine, chemical processing, and food equipment where corrosion resistance is paramount. The drilled spanner drive allows for high-torque installation without cam-out, ensuring secure fastening in confined spaces. Combined with a Class 2A thread fit and fine UNF threading, it maintains tight tolerances and reduces the risk of loosening under dynamic loads. Ideal for machinery, aerospace assemblies, and electronic enclosures, this screw delivers reliable performance where vibration resistance and durability are essential.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent assembly and an 82° countersink angle for proper seating. It meets ASME B18.6.3 specifications for dimensional accuracy and performance. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial applications.
