The Flat Head Socket Cap Screw, a versatile fastening solution designed for a variety of applications. Crafted from durable stainless steel with a sleek black oxide finish, this screw combines strength and style. Meeting ASME B18.3 specifications, it guarantees quality and performance. Featuring a 4-40 thread size and a 0.5-inch length, it is perfect for securely fastening components. Rest assured, this screw is also RoHS compliant, making it an environmentally friendly choice. Upgrade your toolkit with this essential hardware essential.