The Button Head Socket Cap Screw, a compact yet durable fastening solution for various applications. Crafted from high-grade steel with a protective zinc coating, this screw offers superior strength and corrosion resistance. Compliant with ASME B18.3 standards, it ensures reliable performance. Featuring a 4-40 thread size and a length of .5 inches, it is ideal for securely fastening components. The hex socket drive type allows for easy installation with a standard tool. With a RoHS compliance, it meets environmental standards. Trust in the quality and precision of this Button Head Socket Cap Screw for your fastening needs.