A mechanical fastener that comes with a threaded hole is known as a nut. It is fastened to the screw, bolt, or stud for proving a clamping force and to prevent axial movement. Radial movement is prevented by the channel of the bolt and while the head of the nut and bolt prevents axial movement. What is a fastener? A general term that is used for describing anything that is used as a limitation for holding things together or fastening to each other is known as fasteners nuts. These are used mechanically for joining two or more objects permanently or non-permanently together. Fasteners can be broadly classified as permanent or non-permanent. Permanent fasteners are for single use and include rivets and nails. These are used for joining two parts permanently. When the fastener is removed, the parts or materials will get destroyed. Non-permanent fasteners are designed for easy removal and can be reused. Screws and bolts are types of non-permanent fasteners and are mostly used in a wide