S-90380A265 Length 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Exceptional holding power in plastic materials through advanced TRS thread forming technology that creates strong, permanent threads
• Reduced installation torque and material stress thanks to the tri-lobe shank design that minimizes cracking in plastic substrates
• Reliable drive engagement with Phillips No. 1 drive system for secure fastening and reduced cam-out incidents
• Optimized plastic fastening performance featuring 0.099" thread diameter and 24 TPI for maximum pull-out resistance
• Complete environmental compliance meeting RoHS 3 and REACH regulations for global manufacturing applications
• Streamlined installation process with compatible No. 43 drill bit (0.089" diameter) for precise hole preparation

Professional Applications & Engineering Value

This zinc-plated steel TRS tapping screw delivers exceptional engineering value in plastic assembly applications where material integrity and long-term performance are critical. The thread forming design eliminates chip formation during installation, making it ideal for electronic enclosures, automotive plastic components, and consumer products where debris contamination must be avoided. The tri-lobe shank cross-section reduces radial stress on plastic materials, preventing cracking while maintaining superior pull-out strength. With fully threaded construction and blunt tip design, this screw provides consistent clamping force across the entire engagement length, ensuring reliable performance in thermoplastic and thermoset applications where vibration resistance and dimensional stability are paramount.

Specification Summary & Compliance

This No. 3 x 1/4" tapping screw features precision right-hand threads with standard inch measurements, including 0.099" thread diameter and 24 TPI thread pitch. The pan head style provides a low-profile finish with 0.193" head diameter and 0.071" head height. Manufactured to industry standards for thread forming screws, this fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global manufacturing and electronic applications.