S-90096A346 5/16"-18 x 2" 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 for extended service life in demanding environments
- Excellent material compatibility with thread-cutting design that creates strong threads in aluminum, brass, cast iron, and sheet metal
- Enhanced installation efficiency through external hex drive design providing secure tool engagement and high torque application
- Maximum holding power with fully threaded shank ensuring consistent grip along the entire 2" length
- Integrated flange design eliminates need for separate washers while providing superior load distribution
- Reliable coarse threading (UNC 5/16"-18) enables faster installation and reduced cross-threading risks
- Industry-standard compliance meeting ASME B18.6.3 specifications for consistent quality and performance
Professional Applications & Engineering Value
This zinc-plated steel flanged tapping screw delivers exceptional engineering value in industrial fastening applications where material integrity and vibration resistance are critical. The thread-cutting design with UNC coarse threading eliminates the need for pre-tapped holes, significantly reducing installation time and labor costs in aluminum, brass, cast iron, and sheet metal assemblies. The integrated flange provides superior load distribution, preventing surface damage while maintaining clamping force under dynamic loads. The external hex drive ensures reliable torque transmission during high-volume production, making these industrial tapping screws ideal for manufacturing equipment, metal fabrications, and heavy machinery where vibration-resistant fastening is essential for operational safety and longevity.
Specification Summary & Compliance
This 5/16"-18 UNC coarse thread tapping screw features precise Class 2A thread tolerances and fully threaded design for consistent performance. Manufactured to ASME B18.6.3 specifications (SAE J933) ensuring dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) regulations for environmental safety. The zinc-plated steel construction provides corrosion protection while maintaining the strength required for thread-cutting applications in various metals.
