Terms of the Trade: What Is a Wrench? Terms of the Trade: What Is a Wrench?

When it comes to plumbing, the quintessential tool is a wrench. However, the type often used for plumbing repairs is an adjustable pipe wrench, while there are more than 30 other different kinds of wrenches. The common denominator between them all is that they are used to tighten or loosen fasteners such as nuts, bolts and screws, as well as pipes. Characteristic of most wrenches are two “jaws,” either fixed or adjustable, forming a “u” shape to fit around the hardware to be rotated.

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