A Phillips screw is a type of fastener characterized by a cross-shaped socket on its head, designed to accommodate a Phillips screwdriver. This design allows for better grip and torque, reducing the likelihood of the screwdriver slipping out during use. Invented in the 1930s by Henry F. Phillips, the Phillips screw became popular in various applications, including automotive and electronics. Its self-centering feature makes it easier to drive into materials, making it a preferred choice for many manufacturers and DIY enthusiasts alike.