S-90096A428 8-32 x 1/2" 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 industrial environments
- Efficient thread cutting action with Type F design creates precise mating threads in aluminum, brass, and cast iron without pre-tapping
- Secure anti-rotation locking through serrated flange design prevents loosening under vibration and dynamic loads
- High-torque installation capability with external hex drive head for reliable fastening in confined spaces
- Optimized material penetration with UNC coarse thread spacing ensuring strong holding power in sheet metal applications
- Full 1/2" thread engagement provides maximum load distribution across the entire fastener length
- Simplified installation process with compatible No. 26 drill bit size recommendation for precise hole preparation
Professional Applications & Engineering Value
These zinc-plated steel tapping screws deliver exceptional engineering value in metal fabrication and assembly operations. The thread cutting technology with UNC coarse spacing eliminates the need for separate tapping operations, significantly reducing installation time and labor costs in aluminum, brass, cast iron, and sheet metal applications. The combination of external hex drive and serrated flange ensures vibration-resistant fastening while the zinc plating provides essential corrosion protection in industrial environments. Engineered for high-volume production settings, these Type F tapping screws maintain consistent performance across automated assembly lines while meeting rigorous industry standards for reliability and repeatability.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with UNC thread form and Class 2A tolerance standards. Features include 8-32 thread size, 1/2" length, and fully threaded design with blunt tip configuration. Compliant with RoHS 3 (2015/863/EU) environmental regulations and meets SAE J933 requirements for quality assurance. The flanged design with external hex drive and serrations provides secure fastening in accordance with industrial fastening best practices.
