A wrench or spanner is a tool used to provide grip and mechanical advantage in applying torque to turn objects—usually rotary fasteners, such as nuts and bolts —or keep them from turning.

Nov 25, 2025 · There are many types of wrenches, such as pipe, socket, and pedal wrenches, each suited for specific tasks like fixing bicycles or pedal boats. Understanding which wrench to use can …

Dec 28, 2023 · Following are the 31 types of wrenches, how they use with pictures and PDF: Pipe wrench, Chain wrench, Socket wrench, Torque wrench,

Basically, a wrench consists of a stout lever with a notch at one or both ends for gripping the bolt or nut in such a way that it can be twisted by a pull on the wrench at right angles to the axes of the lever …

If you need a wrench for a specific task, Harbor Freight Tools also carries a selection of specialty wrenches, including tap wrenches, basin wrenches, and oil filter wrenches.

Sep 7, 2023 · An impact wrench is ideal for jobs that require very high torque and power, such as replacing multiple tires. A strap wrench has an adjustable loop attached to a sturdy handle.

What Is a Wrench? A wrench is a hand tool designed to provide grip and mechanical advantage in applying torque to turn objects—typically nuts and bolts. Most wrenches are made from durable …

Dec 7, 2023 · Today, the wrench is referred to as an Allen wrench, an Allen key, or hex key. These tools are available in fractional inch sizes (1/4 inch, for example) and metric (4 mm, for example).

You need the right wrench to complete the project properly. Find wrench sets, torque wrenches, and more wrenches in all kinds of configurations from Grainger.

Jun 25, 2025 · Explore the different types of wrenches and choose the perfect one for your task. Save time with the right tools and learn how to use a wrench.