S-90434A124 Length 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior holding power in plastic materials through advanced thread forming technology that creates strong, permanent threads without pre-tapping
• Enhanced corrosion resistance with zinc-plated steel construction, ensuring long-term durability in various industrial environments
• Reduced installation torque and improved drive stability with the Tri-Lobe shank design, minimizing cam-out and stripping during assembly
• Efficient countersinking capability with 82° flat head profile for flush mounting and clean finished appearances in plastic components
• Reliable Phillips No. 1 drive system providing secure engagement and consistent torque transfer during installation
• Full threading along the 1/4" length ensures maximum thread engagement and superior pull-out resistance in plastic applications
• Environmental compliance assurance with RoHS 3 and REACH regulations, making them suitable for global industrial markets

Professional Applications & Engineering Value

These No. 2 TRS tapping screws are specifically engineered to address common challenges in plastic fastening applications, where traditional fasteners often fail due to material creep and stress relaxation. The zinc-plated steel construction provides excellent corrosion protection while maintaining the necessary strength for durable assemblies. The innovative Tri-Lobe shank design and thread forming technology work synergistically to displace plastic material rather than cutting it, creating zero-clearance threads that resist vibration loosening and maintain clamping force over time. This makes them ideal for plastic assembly in automotive components, electronic enclosures, and consumer products where reliable, long-term fastening is critical. The 82° countersink angle and flat head design ensure smooth, flush installations without surface protrusions, while the Phillips drive offers familiar, efficient installation for production line environments.

Specification Summary & Compliance

These thread forming screws feature precise dimensional specifications including a 0.086" thread diameter with 28 TPI thread pitch and 1/4" length with full threading. The TRS (Thread Rolling Screw) design follows industry-standard thread forming principles for plastic applications. Manufacturing and material compliance includes adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use across global markets.