Which type of screwdriver is used for Phillips head screws?

The cross-shaped screwdriver is specifically designed for Phillips head screws, which are characterized by their cross-shaped socket. This unique design allows the screwdriver to fit securely into the screw head, providing improved grip and reducing the likelihood of stripping the screw when torque is applied. The shape of the cross allows the driver to engage more sides of the screw compared to a flat-head screwdriver, which can only engage at two points. This design also helps in centering the screwdriver within the slot of the screw head, leading to better torque application and control.

In contrast, flat-head and slotted screwdrivers are suited for screws that have a simple straight, horizontal indentation rather than a cross pattern. Hex screwdrivers are used for screws with a hexagonal pattern, and therefore wouldn't be applicable here. Understanding the specific types of screwdrivers corresponding to different screw heads helps in selecting the right tool for the job, ensuring efficient and effective work in tasks involving fasteners.