nut and bolt

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A nut is a small metal object with a hole in the middle that has corrugated hole. These curved holes are known as threads. Nuts are used as a fastening device. It is important to note that evens though nuts are used as a fastening device, they cannot be used without bolts. To understand this, we have to understand the shape of walnuts. The outer part of its body can be shaped either way, but it is mostly hexagonal cap or circular in shape.Bolts are metal objects consisting of a cylindrical trunk with grooves such as grooves that are similar to the grooves present inside a nut. In addition to this threaded stem, there is also a forward current, which helps hold the fasten together. As stated in the paragraph above, a bolt goes into a hole in a circular thread of a nut, where the bolt grooves fit perfectly with the nut grooves. Then, at rotational speed, the bolt nut is able to move the bolt up and over.