Enhance your fastening solutions with this Button Head Socket Cap Screw. Crafted from high-grade steel and finished with Thermal Black Oxide coating, it offers durability and corrosion resistance. Featuring a Torx drive type for efficient installation, this ASME B18.3 compliant screw guarantees secure fastening. With a thread size of 4-40 and a length of .25 inches, it's perfect for a variety of applications. Plus, its RoHS compliance ensures environmental responsibility. Upgrade your toolkit with this essential component today.