Which of the following is NOT a type of common threaded fastener?

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ALP CBT 2 Fitter Previous Paper: Held on 21 Jan 2019 Shift 1
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  1. Nail
  2. Bolt
  3. Screw
  4. Nut 

Answer (Detailed Solution Below)

Option 1 : Nail
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Detailed Solution

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Explanation:

Basically, when a helical groove is cut or generated over a cylindrical or conical section, threads are formed. 

Fasteners: A mechanical fastener is a device that is used to mechanically join (or fasten) two or more objects together.

Some Fasteners are:

  • Pins
  • Rivets
  • Nails
  • Concrete Anchors

Threaded Fasteners: The fasteners in which threads are designed on either the outer or inner surfaces.

Some threaded Fasteners are:

  • Bolts: They are basically threaded fasteners normally used with nuts. 
  • Screws: They engage either with a preformed or self-made internal thread. 
  • Stud: A metal rod or shaft with threads on both sides is called a stud.

Important Points

The nails come under fasteners but not under threaded Fasteners.

stud   F1 Krupalu Madhu 07.09.20  D14

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