While the aircraft may be one of the greatest engineering marvels of our time, their advanced technology and capabilities are fairly meaningless when disassembled. Fasteners are commercial hardware parts that may be used to secure two or more components together in either a permanent or non-permanent fashion. Millions of fasteners may be used to assemble structures, equipment, systems, and other components of a single aircraft.
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As with any aircraft, fasteners are an extremely important component that enables the fixing of one part to another. Set screws are a rare form of screws that are an important fastener for when components need to be secured without any protrusions. The entire body of the screw is threaded and is headless, often being installed with an allen key or special tools. The screw is installed into a threaded hole of the two objects to prevent movement of one object relative to the other. One of the more common examples for set screw use is securing a pulley or gear to a shaft.
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