S-90096A393 12-24 x 5/8" ASME B18.6.3, SAE J933 Tapping Screws
Tapping 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 zinc-plated steel construction, extending service life in demanding industrial environments
- Efficient thread cutting action with Type F tapping design eliminates pre-tapping needs in aluminum, brass, cast iron, and sheet metal
- High-torque installation capability through external hex/slotted drive combination for secure fastening and easy removal
- Enhanced load distribution with integrated flange design that eliminates the need for separate washers
- Reliable full-thread engagement with UNC coarse threading ensures maximum holding power in various materials
- Precision compatibility with No. 11 drill bit (0.191") for optimal hole preparation and thread formation
- Regulatory compliance assurance meeting ASME B18.6.3 standards and RoHS 3 environmental directives
Professional Applications & Engineering Value
Engineered for heavy-duty fastening applications, these 12-24 zinc-plated steel tapping screws deliver exceptional performance in metal fabrication and assembly operations. The thread cutting design combined with UNC coarse threading creates durable, permanent threads in aluminum, brass, cast iron, and sheet metal without requiring pre-tapped holes. The external hex/slotted drive provides versatile installation options for both power tools and manual drivers, while the flanged head distributes clamping force evenly, preventing material deformation. This fully threaded configuration ensures maximum thread engagement along the entire 5/8" length, making these self-tapping screws ideal for high-vibration environments where fastener security is critical.
Specification Summary & Compliance
This No. 12 screw features 12-24 UNC coarse threads with standard Class 2A thread tolerances for consistent performance. The 0.216" thread diameter and blunt tip design ensure proper thread formation in prepared holes. Manufacturing complies with ASME B18.6.3 specifications (SAE J933) for dimensional accuracy and mechanical properties. Environmental compliance is verified through RoHS 3 (2015/863/EU) compliance, ensuring restricted substance-free construction for global industrial applications.
