S-90385A242 Length 1/2" ASME B18.6.3 Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding environments
• Exceptional holding power in plastic materials through thread forming (DST) design that creates strong, permanent threads without chips
• Optimized installation efficiency with Phillips No. 2 drive for reliable torque transfer and reduced cam-out risk
• Maximum thread engagement with fully threaded design, providing consistent clamping force along the entire length
• Enhanced material compatibility with blunt tip design that minimizes stress cracking in plastic components
• Precise fit and reliable performance with standardized dimensions matching No. 27 drill bit (0.144" diameter)
• Regulatory compliance assurance meeting both ASME B18.6.3 specifications and RoHS 3 environmental standards

Professional Applications & Engineering Value

These No. 10 tapping screws deliver exceptional engineering value in plastic assembly applications where traditional fastening methods often fail. The zinc-plated steel construction provides essential corrosion protection while maintaining high tensile strength. The thread forming technology (DST type) creates permanent, high-strength threads in plastic substrates without generating chips that could interfere with electronic components or mechanisms. This makes them ideal for plastic enclosures, automotive trim, electrical housings, and consumer products where vibration resistance and long-term reliability are critical. The combination of Phillips drive and pan head design offers both installation efficiency and a low-profile finish that meets aesthetic requirements while the 16 TPI thread pitch ensures optimal grip in various plastic densities.

Specification Summary & Compliance

This No. 10 x 1/2" tapping screw features precision right-hand threads with standard inch measurements and fully threaded configuration. Manufactured to ASME B18.6.3 specifications ensuring dimensional accuracy and performance reliability. The product is RoHS 3 (2015/863/EU) compliant for environmentally responsible manufacturing and contains no restricted hazardous substances. Designed specifically for use with No. 27 drill bit (0.144" diameter) to achieve proper hole preparation in plastic materials.