Masonry screws come in two common head types: a flat head for countersinking, or a hex washer head to sit on top of the surface of the material. These Tapcon 1-1/4-in. x 3/16-in, concrete anchors ...

However, “screwdriver” colloquially encompasses several different types of handheld tools ... tip that fits into a single slot on a screw head, the flathead screwdriver is incredibly basic ...