S-90086A633 12-24 x 1 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, ensuring long-lasting performance in demanding industrial environments.
- Excellent material compatibility for reliable fastening in aluminum, brass, cast iron, and sheet metal without pre-tapped holes.
- High-efficiency thread cutting design (Type F) creates precise mating threads, reducing installation effort and preventing material stripping.
- Optimized Phillips No. 3 drive provides secure tool engagement and minimizes cam-out during high-torque applications.
- Full-length coarse UNC threading delivers maximum holding power and rapid installation in various base materials.
- Standard 82° countersink angle and flat head ensures a flush, professional finish that meets common industrial design requirements.
- Precise dimensional consistency with ASME B18.6.3 compliance, guaranteeing reliable fit and interchangeability in assembly lines.
Professional Applications & Engineering Value
These 12-24 UNC zinc-plated steel tapping screws are engineered to solve critical fastening challenges in metalworking and fabrication. The thread cutting design (Type F) and coarse threading enable direct installation into aluminum, brass, cast iron, and sheet metal without pre-tapping, significantly reducing assembly time and labor costs. The zinc-plated steel material provides essential corrosion protection for industrial environments, while the fully threaded shank and Phillips drive ensure consistent clamping force and easy driveability. Ideal for HVAC systems, machinery enclosures, and automotive components, these screws deliver reliable performance where vibration resistance and structural integrity are paramount.
Specification Summary & Compliance
This product features 12-24 UNC coarse threads with standard thread tolerances, a 1 1/2" length, and a flat head with 82° countersink. Manufactured to meet ASME B18.6.3 specifications (SAE J933) for dimensional accuracy and performance. Compliant with RoHS 3 (2015/863/EU) environmental regulations, ensuring safe use in various industrial applications. Recommended drill bit size: No. 8 (0.199" diameter) for optimal thread engagement.
