Here we give a brief overview of some of the most common screw head types along with their typical applications. One of the most important considerations when selecting a fastener for your application is what type of head the screw will have. From those humble beginnings, screws have become one of the most widely used pieces of hardware manufactured today.įastener hardware comes in a wide variety of shapes, sizes, styles, and materials. Did you know that the first known recorded use of screws occurred during the time of the ancient Greeks they used them in devices to press olives and grapes.