Introducing our RoHS-compliant Surface Mount Spring-Loaded Panel Fastener, designed for seamless installation on P.C. boards without the need for loose hardware. Made of Carbon Steel and Hardened Carbon Steel, this 4-40 threaded fastener features a T15 Torx drive type for easy and precise positioning. Its innovative design allows for automated reflow soldering, eliminating the risk of board damage during secondary installation. With a solderable finish and flush-retracting screw, this fastener ensures secure attachment with minimal effort. Say goodbye to manual assembly hassles with our ReelFast® Surface Mount Spring-Loaded Panel Fastener.