These screws and captive screws offer a sleek polished finish and extended shaft length for seamless installation onto threaded receptacles in various panel thicknesses. Featuring optional spring ejection for effortless retraction, they ensure secure fastening. The 4-40 thread, flare-in design with a slotted recess and knurled black knob combines functionality with a sophisticated aesthetic. Crafted from stainless steel and coated in black, they guarantee durability and corrosion resistance. Compliant with RoHS standards, these captive screws are a reliable choice for your assembly needs.