The Button Head Socket Cap Screw, a versatile fastening solution designed for precision and durability. This sleek stainless steel screw features a Torx drive type, providing enhanced security and efficiency during installation. With a thread size of 4-40 and a length of .25 inches, it is perfect for a wide range of applications. Meeting ASME B18.3 specifications and RoHS compliant, this screw combines performance and eco-friendliness. Upgrade your fastening projects with the reliability of the Button Head Socket Cap Screw.