The Flat Head Socket Cap Screw, a versatile fastener designed for secure and flush installations. This ASME B18.3 compliant screw features a 4-40 thread size, perfect for a wide range of applications. Crafted from durable stainless steel with a sleek black passivate finish, it offers both strength and corrosion resistance. With a length of .625 inches, it is ideal for fastening components with precision. Ensure compliance with RoHS regulations while achieving reliable and professional results with this essential hardware solution.