S-90087A703 12-24 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
- Excellent thread-cutting performance in aluminum, brass, cast iron, and sheet metal without requiring pre-tapped holes
- Reliable fastening power with coarse UNC threads providing maximum holding strength in various materials
- Enhanced drive stability through Phillips No. 3 drive design reducing cam-out during installation
- Optimized head design with pan head profile offering superior bearing surface and professional finish
- Full threading capability ensuring consistent engagement along the entire 1/2" length for uniform clamping force
- Regulatory compliance assurance meeting ASME B18.6.3/SAE J933 standards and RoHS 3 environmental directives
Professional Applications & Engineering Value
These 12-24 UNC thread cutting screws deliver exceptional engineering value in metal fabrication and assembly operations. The zinc-plated steel construction provides essential corrosion protection while the Type F thread cutting design eliminates the need for separate tapping operations, significantly reducing installation time and labor costs. The coarse thread spacing ensures rapid installation and superior pull-out resistance in aluminum, brass, cast iron, and sheet metal applications. The combination of Phillips drive and pan head design offers reliable torque transmission and flush mounting capabilities, making these tapping screws ideal for automotive, HVAC, electrical enclosures, and general metalworking where vibration resistance and long-term reliability are critical.
Specification Summary & Compliance
These tapping screws feature precision 12-24 UNC coarse threads with Class 2A tolerance, 1/2" fully threaded length, and No. 12 screw size with recommended No. 8 drill bit (0.199" diameter). Manufacturing conforms to ASME B18.6.3 specifications and SAE J933 standards ensuring dimensional accuracy and performance reliability. The products are RoHS 3 (2015/863/EU) compliant and feature Type F thread cutting design with right-hand threading direction for standardized industrial applications.
