Overview Explanation Differentiation between bolt and screw Types of screws and bolts Materials Bolted joints A screw is a type of fastener, in some ways similar to a bolt, typically made of metal, and characterized by a helical ridge, known as a male thread. Screws are used to fasten materials by digging in and wedging into a material when turned, while the thread cuts grooves in the fastened material that may help pull fastened materials together and prevent pull-out. There are many screws for a variety of materials; heremonly fastened by screws include wood, sheet metal, and plastic. See more on here Text under CC-BY-SA license Different Types of Screws and their Uses blog.mutual screw .com/./07/ different-types-of-screws-and -their- uses Different Types of Screw s and their Uses . The major function of a screw is to hold two objects together. These kinds of fasteners are astonishingly versatile and powerful enough to be hold two different surfaces intact. The basic concept behind such metal objects functionality is their threaded cylindrical parts,. Drills. The screw portion of an auger, which is another name for a hand drill, is turned using a short series of gears that translate the applied force supplied by the person turning the handle across perpendicular planes. That is, the crank is usually a circle parallel to the axis of the screw for ease of use. Screw s. Following are some of heremon screw types: Wood Screw s: Wood screw s are usually made of steel, although brass, nickel, bronze, and copper screw s should be used if there is potential for corrosion. For optimum wood screw performance, you need to drill first.