These screws and captive screws feature a polished stainless steel construction with a bright finish, ensuring both durability and a sleek appearance. Perfect for securing panels of varying thickness, they boast a 4-40 thread size and a flare-in design with a slotted recess for easy installation. The knurled bright knob allows for secure tightening by hand, while the spring ejection mechanism retracts the screw body when disengaged, providing convenience and efficiency. Fully RoHS compliant, they meet strict environmental standards for added peace of mind. Ideal for a wide range of applications, these captive screws are a reliable solution for your fastening needs.