Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315


Chapter 5, Problem 3RQ
Textbook Problem

Wrenches are available in several styles. List and describe three types of wrenches.

Expert Solution
To determine

Any three types of wrenches and describe them.

Explanation of Solution

The word wrench means to twist. It is a tool which is used for the purpose if twisting and/or holding nuts, bolts head. Almost all the bolt heads and nuts have six sides, whether it be of any size. The wrench fits around these sides to turn the bolt or nut.

There are various types of wrench for a different type of nuts and bolts which are as follows:

  1. Open End Wrench.
  2. Box End Wrench.
  3. Combination Wrench.
  4. Flare Nut (Line) Wrenches.
  5. Allen Wrench.
  6. Adjustable-End Wrench.

Fig. (1)

Open End Wrench:

The jaws of an open-end wrench are open on one side which allows the wrench to slide around two sides of a bolt or nut head. It is usually used at places where there is insufficient clearance above the nut or bolt and the wrench needs to slide on side of the nut to accept it. Refer to Fig. (2) for better understanding


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