Enhance your fastening solutions with this Button Head Socket Cap Screw, designed for precision and durability. Made of high-grade steel with a zinc coating, it offers reliable strength and corrosion resistance. Featuring a Torx drive type, it ensures secure and efficient installation. Compliant with ASME B18.3 specifications, this screw is suitable for a variety of applications. With a 4-40 thread size and a length of .25 inches, it's perfect for fastening tasks requiring a tight hold. Upgrade your toolkit with this essential component.