Nut and their types

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Information about Nut and their types

Published on December 24, 2016

Author: K0042



2. What Is a Nut? • A nut is a fastener with a threaded hole. • Nuts are habitually used with a bolt, mating together to hold two objects together. • A bolt or screw with an undercut is inserted through a hole and are secured with a nut, promoting sturdiness. • Lock nuts prevent the loosening of bolts.

3. Acorn Nut 1. These nuts are a combination of Hex nut and Cap nut. 2. Coming under the cap - nut fastener category, they have a domed crown covering the bolt. 3. The cap gives the protruding bolt a finished look, avoiding its contact with any other surface.

4. 4. There are two types of acorn nuts, standard acorn nuts that have a round cap and high acorn nut, which has a slightly raised crown to cover extra-long studs. 5. Manufactured in Steel, Brass, Nylon, Stainless Steel, they also come with Nickel plating along with a mirror finish.

5. T - Nut: 1. Also known as Tee or blind nut, these fasten wooden work pieces and other composite items. 2. It has a long body, with a head at one end resembling a T-shape. 3. When driven into wood, T – nuts create a threaded hole. 4. When used with flanges, they offer good retention and polished surface.

6. Square Nut: 1. It is a four – sided nut with larger contact surface with greater resistance to loosing. 2. They are often used with flat washers to prevent damage to the surrounding item. 3. They provide quick gauge as the nut and the head bolt sit parallel to the railway tracks.

7. Coupling Nut: 1. A coupling nut is a threaded fastener. 2. Commonly known as an extension nut, it has threads on the inside, to accept male threads in the form of a threaded rod or pipe. 3. They are produced in metal, PVC, Carbon, Steel, Brass, Aluminium, etc. 4. These nuts can come in many shapes, tightening a rod assembly inwards or outwards.

8. Flange Nut: It has a side that is flat-shaped; helping it to function as a washer too. The nut dispenses its retaining power evenly over the object surface, permitting quick fastening. They are used to fasten wood and plastic. They are often serrated i.e. saw – edged, biting into any material easily.

9. For more information on nuts and their types visit

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