Wrenches are made in various shapes and sizes and are used for gripping, fastening, turning, tightening and loosening things like pipes, pipe fittings, nuts and bolts. There are basically two major kinds of wrenches: Pipe wrenches used in plumbing for gripping round (cylindrical) things.

What is the main function of a wrench?

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.

How does a wrench work?

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 and the bolt or nut.

Why does a wrench work?

The purpose of a wrench is to turn a bolt head or nut. Selecting the appropriate wrench depends on the fastener's design and size. It can also depend on how difficult the fastener is to reach. Wrench types include open end, combination, adjustable, and Allen.

What is a open wrench used for?

These tools are used for loosening and tightening fasteners such as nuts and bolts. They come either separately or in a combination form, with one end being an open wrench, while the other is boxed.

Introduction to Hand Tools: Wrenches

Is a wrench and a spanner the same thing?

A spanner is a type of adjustable wrench. Outside of North America, spanner is just another word for “wrench.” If Americans want to ruin something, they “throw a wrench into it.” British people “throw a spanner in the works.”

What is the difference between a ratchet and a wrench?

A ratchet is a mechanical device that only allows movement in one direction. When it is equipped onto a wrench, it allows the user to set two turning directions: one where the wrench head is fixed and one where it spins freely. ... Wrenches that indicate and control torque are equipped with ratchets.

What is the advantage of using an adjustable wrench?

The main benefit to an adjustable spanner is the incredible convenience of just having to use one tool for the entire process; there is no need to switch out tools or carry around a massive group of them whenever you've got a job to do.

What is a wrench used for in Granny?

The Wrench is used to tighten the bolts on the Engine Part in order to connect it to the Engine Block. Doing this is one of the vital steps in the process of fixing the Car. In Granny: Chapter Two, you need to use the wrench in Extra Locks and Hard modes to unlock the door bar to escape via the Main Door.

How many types of Wrenchs are there?

• Pipe wrench.
• Chain wrench.
• Socket wrench.
• Torque wrench.
• Ratcheting Wrench.
• Oil Filter Wrench.
• Combination wrench.
• Adjustable wrench.

What is the safest way to use a wrench?

1. 1) Only use quality wrenches. ...
2. 2) Match your wrench size to the job. ...
3. 3) Always pull, never push. ...
4. 4) Keep wrenches clean. ...
5. 5) Never strike a wrench with a hammer. ...
6. 6) Do not attempt to add leverage with other objects. ...
7. 7) Never use a damaged wrench.

Should you normally pull on a wrench?

Always pull, rather than push, a wrench for greater control and balance. That way, if the nut or bolt should suddenly loosen, you're less likely to go flying. Never try to get more torque from a wrench by using a cheater bar or other device to extend the leverage.

What do you do with old wrenches?

1. Wrench Hooks. 1/10. Bend wrenches into hooks, and you'll make a spot for other tools to hang out. ...
2. Toolbox Nightstand. 2/10. ...
3. Rake Head Wall Hanger. 3/10. ...
4. Garden Tool Obelisk. 4/10. ...
5. Hammer iPad Dock. 5/10. ...
6. Tooled-Out Gate. 6/10. ...
7. Clamp Bookends. 7/10. ...
8. Saw Handle Key Rack. 8/10.

Why was the wrench invented?

Tiring of living abroad, often alone in shanties, he returned to the United States and was sent to Leavenworth Federal Prison in Kansas. While in prison, Johnson conceptualized and diagrammed a tool to help tighten loosening fastening devices. This is the wrench that he patented on April 18, 1922.

How do you open the door in the Granny sewer?

1. Go to the weapon room and get the Tranquilizer gun and darts.
2. Go to the sewer room and stand in front of the window to the locked room.
3. Aim the tranquilizer gun at the red door knob.
4. If you hit the knob, the door unlocks.

What's the master key for in Granny?

Usage. The Master Key is used to unlock the Main Door's regular lock after all other locks have been taken off. It cannot be used anywhere else.

How do you escape Granny?

Use the Blue Padlock Key on the front door. Use the Hammer to break the wooden barricade on the bottom of the front door. Use the Cog Wheel on the Playhouse Machine described earlier. Use the Winch Handle to raise the bucket in Granny's Well, you'll find a key.

Which spanner has more grip?

The profile head of a spanner determines how easily it can be worked with. The looped end of a combination spanner comes in contact with all sides of a fastener, thus, it provides a much better grip and is less likely to slip while turning.

Who uses pipe wrench?

Most often, pipe wrenches are used on threaded pipe, usually galvanized steel, black iron or similar metal pipes. A pipe wrench has two serrated jaws that are tightened and dig into the pipe for grip. The top serrated jaw adjusts up and down to fit different size pipes.

Can regular sockets be used with an impact wrench?

Impact sockets can be used safely on a hand tool, however you should never use a regular hand tool socket on an impact wrench as this can be extremely dangerous. A regular socket is likely to shatter when used on power tools due to their thinner wall design and the material they're made from.

What is a ratchet girl?

Ratchet is a derogatory slang term in hip hop that, in its original sense, referred to an uncouth woman, and may be a Louisianan regiolect version of the word "wretched" or a variation of the word "ratshit." The term has since been extended to have broader meanings and connotations and is no longer strictly bound by ...

Why are line wrenches open-ended?

An open-ended wrench may grip the nut, but often the line joint is located in tight places where the wrench does not swing far enough to allow a second placement with the nut in its new position. ... The increased contact area helps prevent the soft metal of the nuts and fittings from being rounded off by the wrench.