S-90380A008 Length 5/16" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in industrial environments.
• Exceptional holding power in plastic materials due to the thread-forming Tri-Lobe shank design, reducing the risk of stripping or loosening.
• Efficient installation with Phillips No. 1 drive, providing reliable torque transfer and reducing cam-out during assembly.
• Optimized for plastic substrates with a blunt tip and fully threaded 5/16" length, ensuring secure fastening without material damage.
• High thread engagement with 28 TPI thread pitch, delivering strong vibration resistance in plastic assemblies.
• Compatible with standard No. 47 drill bits (0.0785" diameter), simplifying preparation and installation processes.
• Compliance with RoHS 3 and REACH regulations, ensuring safe use in global industrial applications without hazardous substances.

Professional Applications & Engineering Value

This No. 2 zinc-plated steel TRS tapping screw is engineered specifically for plastic applications, addressing common challenges like material cracking and weak thread retention. The thread-forming Tri-Lobe shank creates precise, durable threads in plastic substrates without requiring pre-tapped holes, significantly reducing assembly time and labor costs. Its zinc-plated finish provides reliable protection against corrosion in humid or demanding environments, while the Phillips drive ensures consistent installation with standard tools. Ideal for electronics enclosures, automotive plastic components, and consumer goods, this screw delivers superior holding power and long-term reliability, making it a cost-effective solution for high-volume manufacturing and maintenance operations.

Specification Summary & Compliance

This screw features a 0.086" thread diameter with 28 TPI and fully threaded 5/16" length, ensuring precise fit and consistent performance. Manufactured to standard TRS (Thread Rolling Screw) specifications with a Tri-Lobe shank cross-section for effective thread forming in plastics. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for industrial use worldwide.