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Intro: When a Phillips Is Not a Phillips! Cross-head, Cross-Point, Cruciform, Square Drive Screws and Drivers These screw types have a + shaped recess on the head and are driven by a cross-head screwdriver, designed originally ... Step 1: Early Screws.
Screwdrivers are tools used to press screws into wood, metal, or other materials by turning them at the driver-screw interface. Two general types of screwdrivers exist: power drivers and manual drivers. Manual drivers are turned by handPower drivers feature motors, usually electric motors, to turn the driver head. The type of head on the driver will also vary significantly according to what type of screw is being used.