When should a breaker bar socket wrench handle be used?

The fact that they were initially known as hinge handles or flex-head handles, not "breaker bars", in vintage catalogs and ads is exactly why some guys can't understand now why they weren't all 21" long back then! They were originally intended to be used for more than just breaking frozen nuts and bolts loose with leverage. Essentially, they evolved from what were called offset handles, which had a short handle and a fixed (forged or welded) head with a male drive stud oriented at 90*. Somebody had the bright idea to hinge them so they could be used at 90*, 45*, or 0* (with the use of a cross bar through the hole drilled in the end of the handle for that purpose). Their current terminology and limited purpose is a modern phenomenon.

As for Sliding Tees, in addition to two-handed equal torque (as neil alluded to), quick propeller-like nut spinning (as rebelram alluded to), you can also slide the drive head all the way out to the stop on the end and use them like a traditional "L" or offset handle. Note also that because the whole head itself swivels 360* on the bar, you don't have to move or reorient the bar in a tight spot.

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Second to the modest flathead screwdriver in terms of simple yet effective tools, a breaker bar is a crucial part of any home wrencher&#;s toolbox. It&#;s designed to increase power by simply providing more leverage&#;and therefore more torque&#;for undoing either hardware with a high torque value, or hardware that&#;s particularly stuck.

It&#;s quite neat that simple physics can go so far in helping us stave off headaches and sore muscles while working on cars. But for those new to the DIY wrenching game, you might not know what one is, how it works, or when to apply it. In order to bridge your knowledge gap, we&#;ve put together this handy-dandy guide on what a breaker bar is, what makes them so useful, and why you need one in your toolbox.

Breaker Bar Basics

A breaker bar&#;s purpose is to simply break nuts and bolts loose. By adding 16, 24, or more inches over a conventional wrench, the added torque makes for stronger and more effective loosening.

Sturdy ratcheting breaker bars exist, but typically it takes the form of a fixed chromium-vanadium steel bar that attaches to a socket. Sometimes they include a 180-degree swivel for easier loosening, too, meaning loosen the bolt and then flip the bar around to continue loosening.

Don&#;t tighten nuts and bolts down with a breaker bar, however. This is because the amount of torque they add might be too much, so using a conventional wrench until the nut or bolt or nut is lightly snug and then following up with a torque wrench is ideal. It&#;s also important to be mindful of any necessary torque sequence, such as if it&#;s an aluminum/stretch bolt.

How to Use a Breaker Bar

Using a breaker bar is generally very easy and straightforward, as all you need to do is attach a socket, put it on a nut or bolt, and start loosening. But there are still some things that are good to keep in mind while using them.

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Make Sure Its On There

This might seem like a no-brainer, but you want to make sure that the socket is firmly and securely attached to the nut or bolt. If it&#;s not, when you start to loosen it, the socket could slip and round off the head, which will then make continued efforts harder, or even require some creative extraction.

Use penetrating oil/lubricant

Delivering a massive amount of torque to a rusty bolt that hasn&#;t moved in decades could spell disaster, meaning it could break it and then require a lengthy extraction process. Spraying penetrating lubricant on the bolt and letting it seep into the threads reduces this risk.

Utilize Smooth Motions

This is especially true when dealing with rusty, stuck hardware. Smooth motions help ensure smooth torque transfer, thus reducing the risk of breaking anything. Fast, rough motions generally aren&#;t useful. Especially if you&#;re dealing with something like a wheel nut attached to a stud&#;it could break the stud completely off.

A Few Breaker Bars We Like

Here are a few breaker bars from reputable companies, however, you can use an old pipe as a breaker bar, too. At least you can if you have one lying around your garage.

A Quick and Easy Replacement for a Breaker Bar

Speaking of using an old pipe, this brings up a good point: If you need some torque multiplication in a pinch, adding a length of pipe or jack handle to a ratchet helps a lot. Though, be careful as these could slip and either harm you or the car. Ask us how we know.

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The best gifts for gearheads are the ones that help them get it done. Not sure where to start? We&#;re happy to get you in the know on how to knock car lovers off their feet this holiday season.

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