S-90087A144 6-32 x 1/4" 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 thread cutting performance in aluminum, brass, cast iron, and sheet metal without pre-tapped holes
- Enhanced corrosion resistance with zinc-plated steel construction for extended service life in industrial environments
- Optimized drive engagement with Phillips No. 2 drive for secure installation and reduced cam-out risk
- Reliable coarse UNC threading providing excellent holding power and vibration resistance in various materials
- Streamlined installation process with fully threaded blunt-tip design requiring only No. 31 drill bit preparation
- Wide material compatibility across multiple industrial substrates for versatile application use
- Standard pan head profile offering balanced bearing surface and professional finished appearance
Professional Applications & Engineering Value
These 6-32 UNC thread cutting tapping screws deliver exceptional engineering value by eliminating the need for separate tapping operations in aluminum, brass, cast iron, and sheet metal applications. The zinc-plated steel construction provides essential corrosion protection while maintaining the necessary hardness for effective thread cutting action. The coarse UNC thread form ensures rapid installation and superior pull-out resistance, particularly valuable in production environments where assembly speed directly impacts operational efficiency. The fully threaded blunt-tip design with Type F tapping geometry creates precise mating threads while minimizing material stress, making these Phillips drive screws ideal for HVAC systems, electrical enclosures, machinery assembly, and metal fabrication where reliable fastening in untapped holes is critical.
Specification Summary & Compliance
These tapping screws feature precise 6-32 UNC coarse threads with standard Class 2A tolerance, 1/4" length, and pan head style with standard rounded profile. Manufacturing complies with ASME B18.6.3 specifications where identified as SAE J933, ensuring consistent dimensional accuracy and performance reliability. The products are RoHS 3 (2015/863/EU) Compliant for environmental regulatory adherence, with the recommended No. 31 drill bit (0.12" diameter) for proper hole preparation in designated materials.
