And if the lug nut is in a position that is frequently exposed to the elements – especially water – you’ll have to take into consideration the possibility that your lug nut could quite possibly rust over and cause some major problems for you. In any of the above situations, you’re going to need a lot more torque power to get the lug nut out than it took to put it in originally.
Automotive repair shops each have their own unique selection of tools, but almost all have one tool in common: the impact wrench. An impact wrench, which may also be called an air gun, air wrench, or torque gun, is a power tool that puts a high-torque output in the palm of your hand, without much work on your part. Rather than tightening a bolt by hand, which would not give you enough torque to ensure it was completely tight and safe, you can use an impact wrench to torque it and ensure it is tight. The wrenches have a socket wrench design, which is often used to repair automobiles and other heavy equipment. It can also be used in construction projects or product assembly when the products are large and heavy.

chain wrench A self-tightening wrench with either a chain or strap of metal, leather, or rubber attached to a handle, used to grip and turn smooth cylindrical objects (such as automotive oil filters). It relies entirely on friction between the strap or chain and the object to be manipulated. Similar to a pipe wrench, but uses a chain similar to a drive chain or strap, instead of an adjustable jaw. The links of the chain have extended pegs which fit into grooves in the front of the handle, with one end of the chain attached permanently to the handle. This is used in situations where pipe wrenches cannot maintain a proper grip on an object such as a wet or oily pipe. Larger versions of chain wrenches are sometimes known as "bull tongs" and are used with large diameter pipe such as is used deep wells. specialty
Open-end and Flat Wrenches. The most basic type of wrench, open-end and flat wrenches have open jaws that slip onto nuts and bolts. Because they can be slim and short, these wrenches are especially useful in tight spaces. They’re not adjustable, so they’re sold in wrench sets of all sizes. They’re available in both SAE sizes, which are expressed in fractions of an inch, and in metric sizes. 
Wrenches and applications using wrenches or devices that needed wrenches, such as pipe clamps and suits of armor, have been noted by historians as far back as the 15th century.[2] Adjustable coach wrenches for the odd-sized nuts of wagon wheels were manufactured in England and exported to North America in the late eighteenth and early nineteenth centuries. The mid 19th century began to see patented wrenches which used a screw for narrowing and widening the jaws, including patented monkey wrenches.
There are a lot of great wrench designs on the market, but in our opinion, one of the top designs would have to go to the Ingersoll Rand W7150. The Ingersoll design allows you to get the job done quickly and efficiently thanks to all of the great features that were built into the model. Additionally, it is powered by a powerful motor and is lightweight – perfect qualities for any worker who needs an impact wrench that can be mobile.
Wrench, also called spanner, tool, usually operated by hand, for tightening bolts and nuts. 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. Some wrenches have ends with straight-sided slots that fit over the part being tightened; these tools are known as open-end wrenches and are made in various sizes to fit specific bolt and nut sizes.

It’s not all about power. While power and performance play into our formula, we also take into account value, ergonomics, features, and more. In the end, our charts, in-use photography, and videos should validate the objective results that determine the outcome. Okay, we know our audience, and we know what you want. We’ll keep from dilly-dallying any longer, and we’ll start with the knockout punch, right out of the gate.
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I`m an old fart that started wrenchin when replacing plugs and points was mandtory every 6 months or so. The introduction of battery powered impacts did not impress me at first but the stuff Milwaukee makes is unreal. They now have a big boy I`ve heard twist an unreal 1100 ft lbs!! All there stuff is great, and one battery and “one key” (for tracking) is like si-fi stuff to this old fart. I cant wait till they come out with a 18volt jack with built in jack stand.
While pistol impact wrenches are bulkier, their grip style is more ergonomic to prevent strain on your hands, which in turn allows you to work for longer periods without fatigue. Some of these models can equip side handles which let you use your weight for greater leverage and to maintain a proper working angle. If you don’t need the special fit of an inline wrench, a pistol-style impact wrench is usually the ideal choice.
Where the Ingersoll Rand did suffer a bit is in the feature set area. This is where the age of the tool showed. There is no worklight, it’s only a single speed/mode, and it has a brushed motor. We would love to see a remake of this gun, using the great features as in our review of the Ingersoll Rand W5132 Cordless Impact Review. If Ingersoll Rand will release a new 1/2” high torque, with a brushless motor, multi-speed features, and the halo LED worklight, then first place may be much closer.
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The Craftsman C3 Heavy Duty Impact Wrench Kit is a great tool for anyone looking to find a device that is capable of meeting all the demands of their job and is built with strong, durable materials that will last. The powerful tool comes with built in LED lights that enable you to work late into the night and a powerful battery with an impressive run time. The Craftsman C3 Heavy Duty Impact Wrench Kit enables you to work quickly and efficiently with a powerful motor to unscrew even the most difficult nuts and bolts. You’ll love the way the Craftsman is able to revolutionize your work and quickly see why we find it to be one of the best buys on the market.
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crow's-foot spanner A wrench that is used for gripping the nuts on the ends of tubes. It is similar to a box-end wrench but, instead of encircling the nut completely, it has a narrow opening just wide enough to allow the wrench to fit over the tube, and thick jaws to increase the contact area with the nut. This allows for maximum contact on plumbing nuts, which are typically softer metals and therefore more prone to damage from open-ended wrenches. common


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The Makita XWT08Z LXT High Torque is a great investment for anyone who needs to do some heavy duty work and is one of the best of its kind. The device is powered by a strong brushless motor that allows it to work harder than other competitive models while maintaining cooler core temperatures. The motor also proves to be energy efficient and can improve the battery run time by up to 50%. You’ll be able to choose from three different speed settings that can attain speeds of up to 2,200 rpm and be able to do some serious work with the power output.
Jobs that require the power of an impact wrench usually entail using them for many operations over an extended period. Ergonomic handle grips and anti-vibration measures help to reduce work-related strain. Additionally, you should pick a cordless impact wrench with just the right amount of power necessary to perform the job properly. A smaller motor tends to mean fewer vibrations, which in turn lessens the physical strain.
An over-tightened or rusted nut or bolt that’s stuck can be one of those things that makes you realize you need to add a new tool to your kit. One of the best models for the job is a cordless impact wrench. This useful equipment has more torque than most drills and it can take care of a stuck nut or bolt in a matter of minutes, saving you time and frustration. Find out more about this handy tool in our cordless impact wrench buying guide.
DeWalt’s 20-volt 880 Lithium-Ion cordless impact is a 1/2-inch drive job with a whopping 400 foot-pounds of torque rating. This tool has a variable-speed trigger with an electric brake; an ergonomic handle provides added control and comfort. It even includes an LED light with 20-second delay, providing greater visibility when working in dark areas. See the Summit Racing catalog for more info. (Image/Summit Racing)
There are many reviews and head-to-head impact wrench tests that already exist. Most of these tests include the Skidmore Wilhelm torque testing equipment. By turning a large nut, you raise the needle on the PSI gauge. Then, dividing by a factor provides a “torque” number. While these tests do a great job at validating (or not) manufacturer calculated numbers, we felt there were better ways to demonstrate raw power. In short, we weren’t satisfied with doing the same ol’ same.
Get your DIY projects done faster and easier with the Campbell Hausfeld Air Impact Wrench. This tool uses air compression to generate up to 550 ft-lbs of torque, making light of typically labor-intensive tasks. With this automotive wrench, you can rotate your car's tires, replace lawnmower blades or repair brakes in a fraction of the time it normally takes with hand tools. This 1/2 inch wrench features a soft comfort grip to help absorb shock and reduce fatigue for long-lasting operation. Additionally, a twin hammer mechanism helps reduce vibration for increased accuracy and precision. The item is recommended for use with an air compressor with a minimum 8-gallon capacity. It is not intended for assembly line application or commercial usage.
Finishing in the Runner-Up position (2nd place) is the Ingersoll Rand W7150. The fact that this is nearly a 5-year-old tool deserves huge props for fighting past these other great entrants. It finished a solid 2nd in power testing and 3rd in repetitive power (speed) testing. It’s the lightest tool of the bunch, weighing only 6.88 pounds, with the 5.0 Ah battery intact.

The fact that the Milwaukee 2763 Gen 1 high torque now has a stronger big-brother, but still finished 3rd deserves big kudos. In fact, receiving 86.1 points, it only misses 2nd by 0.3 points. While some others above suffered by finishing mid-pack, this is actually a plus for the Milwaukee. The difference is, the 2763 didn’t drastically fall short in any area, like the others. Even though the price is higher than several, with it’s 5-year warranty, features, and ergonomics, it’s still a great value.
In the chancel was a twisted stone column, and the captain told us a legend about it, of course, for in the matter of legends he could not seem to restrain himself; but I do not repeat his tale because there was nothing plausible about it except that the Hero wrenched this column into its present screw-shape with his hands --just one single wrench.

 Tim Johnson Having a love of automobiles that stems from his father's racing days, Tim has spent a lifetime around cars and trucks. From restoring and renovating them as well as fixing them when they break, Tim always has a tool handy. He currently resides in central Florida with his wife and 5 kids where he divides his time as mentor, devoted father, loving husband and jungle gym.

As it is, the tool has a very effective 2-position power button. In position 1, the power is limited to 100 lb/ft for when you need accuracy and a gentle touch. Setting 2 unleashes the dogs of war and allows you to crank out the full 700 lb/ft of torque for unrivalled power. There is no rusted or over-tightened bolt on earth that is going to be able to resist that level of power!

Get your DIY projects done faster and easier with the Campbell Hausfeld Air Impact Wrench. This tool uses air compression to generate up to 550 ft-lbs of torque, making light of typically labor-intensive tasks. With this automotive wrench, you can rotate your car's tires, replace lawnmower blades or repair brakes in a fraction of the time it normally takes with hand tools. This 1/2 inch wrench features a soft comfort grip to help absorb shock and reduce fatigue for long-lasting operation. Additionally, a twin hammer mechanism helps reduce vibration for increased accuracy and precision. The item is recommended for use with an air compressor with a minimum 8-gallon capacity. It is not intended for assembly line application or commercial usage.

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