What is a drive breaker bar

A breaker bar consists of a long steel bar that attaches to a head with a socket drive. This head usually rotates up to 240 degrees to allow the user to get the bar in the optimal position for creating the leverage needed to remove a difficult nut or bolt.

What is a breaker bar good for?

Generally, breaker bars are pretty long, allowing you to apply more torque with the same amount of force as you’d use with a standard socket wrench. Think of it as the opposite of a torque wrench. Since a breaker bar is non-ratcheting, its main goal is to break loose nuts and bolts.

Can you use a torque bar as a breaker bar?

Never use your torque wrench as a breaker bar—that’ll damage the torque mechanism. Carry it with kid gloves—a single fall can knock the accuracy off by as much as 30 percent. If you do drop it, get it recalibrated (calibration firms listed below) before using it again.

What is the difference between a breaker bar and a ratchet?

The purpose of the breaker bar is to break loose stubborn lug nuts or bolts. … The purpose of the breaker bar is to break loose stubborn lug nuts or bolts. A ratchet is used to quickly remove or install fasteners that have good threads and are not stuck or otherwise damaged.

Is a longer breaker bar better?

Length. Breaker bars work on the basic principle that a longer handle creates more torque. By producing more torque, the breaker bar is better able to free a locked nut than a shooter-handled ratchet that creates less torque.

Are breaker bars stronger than ratchets?

The long handle on breaker bars compared to shorter wrenches allow a larger torque to be generated with the same amount of force. Also, the absence of a ratcheting mechanism makes a breaker bar considerably stronger than a ratchet. This allows greater torque to be applied to a fastener without the tool failing.

What size breaker bar should I get?

The longer the bar is, the higher the leverage and subsequently, the higher the torque. Although length is necessary, there is generally no need to buy the longest break bar you can get your hands on; usually, 16 to 24 inches should be enough for general use.

What type of sockets are the most commonly used?

Hex sockets are the most common type of socket and come in two main types: hex/6 point sockets and bi-hex/12 point sockets.

How much torque can a breaker bar handle?

150 ft-lbs will break a 3/8″ drive usually and about 300 ft-lbs will break a 1/2″ drive. These are on regular breaker bars that are partially hollow and have the little ball in the space of the head to hold the socket. A SOLID 1/2″ heat treated impact rated drive anvil will go up to about 1200 ft-lbs.

Do you really need a torque wrench for wheels?

While a torque wrench is not absolutely required, it’s a good idea. You need to ensure the wheel is evenly clamped onto the hub. This prevents the wheel from warping and causing other issues. Using the lug wrench which comes with the car will get you down the road.

Article first time published on

Can torque wrench loosen bolts?

A torque wrench is a tightening tool. It is a very sensitive and precise tightening tool, and should never been used to loosen bolts.

Can you over torque with a torque wrench?

So long as users operate with caution and do not exceed the maximum torque, most torque wrenches can be used for undoing. However, if the bolt will not free within the maximum torque of the wrench, another tool should be used instead.

Can you use a breaker bar to tighten lug nuts?

You shouldn’t need to use a breaker bar for tightining down the lug nuts as it’s long enough. I would recommend using a breaker bar for removing them though. … Yes, this is what a breaker bar is for; to give someone more leverage when loosening or tightening a bolt or nut.

What are the three common drive sizes for sockets?

Common ratchet sizes include 1/4-inch drive, 1/2-inch drive and 3/8-inch drive. Having different socket wrench sizes will allow you to operate different socket sizes based on your particular needs.

What is a good torque wrench?

1. TEKTON 24335 Drive Click Torque Wrench – Best Overall. …
2. Capri Tools 31000 Torque Wrench – Best Value. …
3. Industrial Brand CDI 2503MFRPH Torque Wrench – Premium Choice. …
4. ACDelco ARM601-4 Digital Torque Wrench. …
5. Neiko Pro 03709B Drive Adjustable Torque Wrench. …
6. EPAuto ST-010-1 Drive Click Torque Wrench.

What torque wrench do I need for lug nuts?

The bigger the drive and the longer the handle, the more torque they can deliver. Most home mechanics will find that a torque wrench with a 1/2-inch drive and at least an 18-inch handle is the best choice for lug nuts, cylinder heads, suspension bushings, and other likely uses.

Can I use a breaker bar as a ratchet?

Breaker bars are used because they’re longer (more torque) and have no ratchet mechanism to break. You use them with a socket because the socket fully surrounds the nut and won’t splay under the force (though I’ve split both 6 and 12 point sockets).

How much force can a human exert on a wrench?

It depends primarily on the length of the spanner. Using a metre-long breaker bar, a force equivalent to lifting 25kg vertically (something most fit adults will be quite capable of doing) will generate 250Nm of torque.

What is the most common size drive socket?

⅜-inch drive size sockets are the most common and most available.

What's the difference between a 6 point and 12 point socket?

A six-point socket is of hexagonal shape. It has six vertices or points, and they have an even space between them, which is 60° angle. On the other hand, a 12 point socket is double hexagon-shaped, including 12 vertices or points. However, the increment space around the circle here is 30° each.

Are 6 or 12 point sockets better?

Answer: It’s true that 12-point sockets are fine for most lightweight repairs, but heavy wrenching calls for a six-point socket. A six-point socket is much less likely to slip off a stubborn fastener or round over the corners. Here’s why: (1) Six-point sockets have thicker walls, so they’re less likely to flew.

Can you tighten lug nuts on the ground?

If you simply want to re-tighten the fasteners, that can be done one at a time on the ground. Step 3: Install the nuts by hand. Install the wheel lugs by hand. … Push the wheel home on the hub and using your socket wrench, tighten the wheel nuts just enough to hold the wheel snugly.

Can you overtighten lug nuts by hand?

You can’t use a torque wrench on lug nuts (also called wing nuts) so it’s not likely a precise tightness is required, but if you tighten them so much that they can’t be undone by hand then they are over tight. The whole purpose of that type of nut is so they can be undone again, by hand.

What happens if you dont use a torque wrench?

It is useful to have, but not absolutely nessecary to work on a vehicle with. Keeping within torque specifications is important- if it isn’t tightened enough, the fastener could work itself loose during use and often with catastrophic consequences such as a wheel falling off at highway speeds.

Should you double click a torque wrench?

Double checking your torque is never a bad thing. By double clicking, you are allowing the fastener to rest for a second, then you are back at it to get the proper amount of torque there.

Is a ratchet the same as a torque wrench?

Torque wrenches are a type of wrench commonly used in automotive work and other tasks where a precise torque setting is needed for a specific bolt. Ratchet wrenches are more simple wrenches designed for loosening and tightening bolts.

Can you use an Adaptor on a torque wrench?

A torque wrench adapter can help you work smarter, not harder, as long as you do so correctly. … Adapters will affect the torque wrench setting if the distance changes between the fastener and the torque wrench handle. A straight extension will have no effect on the torque wrench setting.

Why do torque wrenches click?

A click torque wrench gives an audible sound when the correct torque setting has been reached. This type features a spring-loaded lever which is adjusted by twisting the handle to the right setting. When the required torque level is achieved, the lever breaks which creates a clicking noise.

How many times should you click a torque wrench?

Turn the torque wrench until you hear two clicks. This means the correct amount of torque has been reached.

How do you stop torquing?

To keep a fastener from loosening over time due to vibration and other external factors, a threadlocker solution, locking washer, locking nut or a combination of the three should be used. Things to Consider When Torquing Fasteners: Fastener Materials.