S-94063A194 8-32 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 construction and passivated finish, ideal for harsh industrial environments.
- High mechanical strength and durability offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-term performance.
- Secure and tamper-resistant fastening via the drilled spanner drive, preventing slippage during installation in critical assemblies.
- Precise flush mounting with an 82° countersink angle and flat head design, ensuring a smooth surface finish and reduced snagging.
- Consistent and reliable threading with UNC coarse threads and Class 2A fit, enabling quick assembly and strong holding power.
- Full compliance with industry standards including ASME B18.6.3, ensuring dimensional accuracy and interchangeability.
- Environmentally safe usage as it is RoHS 3 and REACH compliant, meeting global regulatory requirements for hazardous substances.
Professional Applications & Engineering Value
This 8-32 UNC flat head spanner screw is engineered to address common industrial challenges such as vibration loosening and corrosion in demanding applications. Crafted from 18-8 stainless steel with a passivated finish, it provides excellent resistance to rust and chemical exposure, making it suitable for machinery, electronics, and outdoor equipment. The drilled spanner drive offers enhanced torque transmission and tamper resistance, while the fully threaded design and coarse thread spacing ensure rapid installation and robust load distribution. Ideal for use in assemblies requiring a low-profile head, this screw helps reduce maintenance costs and extends service life in industrial settings.
Specification Summary & Compliance
The screw adheres to Class 2A thread fit tolerances and UNC thread standards for precise engagement. It is manufactured in compliance with ASME B18.6.3 specifications, ensuring consistent dimensions and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental compliance for global supply chains.
