S-90055A148 Length 1/2" 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-forming installation creates strong, permanent threads in sheet metal without requiring pre-tapped holes
- Optimal flush mounting with standard 82° flat head profile that sits perfectly countersunk in materials
- Enhanced driving control through Phillips No. 2 drive design that minimizes cam-out during installation
- Maximum holding power achieved through fully threaded design that distributes load evenly along the entire length
- Precision compatibility with No. 32 drill bits (0.116") for accurate hole preparation and secure fastening
- Environmental compliance assurance with RoHS 3 certification for safe use in regulated applications
Professional Applications & Engineering Value
These thread forming Type B tapping screws are specifically engineered for sheet metal applications where reliable, permanent fastening is critical. The zinc-plated steel construction provides excellent corrosion protection in industrial settings, while the thread forming design eliminates the need for pre-tapped holes, saving time and labor costs. The standard 82° countersink angle ensures flush mounting without protruding heads, creating clean, professional finishes. The fully threaded configuration delivers maximum pull-out resistance and vibration resistance, making these Phillips flat head screws ideal for HVAC systems, electrical enclosures, automotive components, and metal fabrication projects where structural integrity is paramount.
Specification Summary & Compliance
This No. 6-20 x 1/2" tapping screw features precise inch system measurements with a thread diameter of 0.138" and 20 threads per inch. Manufactured to industry standards for thread forming Type B screws with right-hand threading and blunt tip design. The product is fully RoHS 3 (2015/863/EU) compliant, ensuring environmental safety and regulatory adherence for industrial and commercial applications worldwide.
