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How an Air Impact Wrench Works

A pneumatic impact wrench or an air impact wrench is a power tool that makes use of air source to remove as well as tighten nuts and bolts at speed. This power tool is different from other types of power wrenches as this tool can actually deliver torque in instant jolts and not in a steady force. This power tool makes use of strong twisting motions to free stubborn bolts that have become rather tight due to rust and other elements. With this tool’s multiple sharp as well as short torque applications, this can remove even the most stubborn fasteners.

Air impact wrench

One type of Air impact wrench

There are different models on this type of power tool. The models differ in terms of torque and weight. These aspects affect the usability of the tool. with the drive mechanism, this tool has a lot of competitors. Moreover, there are also tools that are cordless and electric powered. Depending on the purpose and type of job that you need to complete, you may need to decide whether or not an air impact wrench is a right tool for you.

Power and Performance of an Air Impact Wrench

In terms of power, an impact wrench is used by mechanics to remove and unfasten lug nuts as well as other bolted parts of a vehicle. This is an ideal tool for many mechanics as this offers high power output and torque. Moreover, this tool requires less manual tuning on the part of the mechanic. This type of tool is called an impact wrench as this operates through a spinning motor, which delivers a shock of power to the bolt or nut. In return, this shock loosens as well as turns the nut rather quickly, allowing it to be removed.

Pneumatic_Torque_Wrench-1

Learning More about the Tool’s Design

An impact wrench comes with a housing that is shaped like a gun. This is designed with a bit that comes with a nut driver attachment, air cord and a handle. The air cord delivers the compressed air towards a chamber inside the pneumatic wrench. Once the compressed air comes in contact with the turbine-shaped motor inside the tool, the motor spins. The trigger mechanism in this tool allows the air to come in contact with the motor. Thus, power is released. For the other types of impact wrenches like those that makes use of electricity, the motor functions once electricity is provided.

Steps to Operate an Air Impact Wrench

There are three steps that involve operating an air impact wrench. Here are the steps:

  • Step 1: Assembly

The first step in operating an air impact wrench involves assembly. You have to take note that this power tool looks like an old fashioned drill. In fact, this comes with a silver metal body as well as a trigger release switch that allows the user to exert just the right level and amount of torque pressure and air. This tool is also attached to a long rubber hose that is connected to the air compressor or air pressure unit. The pressure will only be released when the user applies pressure to the tool’s trigger. When assembling an air impact wrench, you should check the user’s manual and follow the instructions carefully.

Air compressor

Air compressor(photo by Laineema)

  • Step 2: Testing the Tool

Once you got all the attachments ready, you can start testing your tool. You can check whether the unit is exerting the correct amount and level of pressure. You have to make sure that the hose line is free from any kinks or twist to ensure the delivery of the right amount of pressure. You should test the direction that the wrench is set through lightly touching the tool’s trigger. This way, you will be able to see and determine the way where it will turn. You will be able to find a latch or a knob on the side of the tool. This knob or latch allows you to switch and reverse the direction of the socket. If you want to loosen bolts, you have to make sure that the latch faces counter clockwise. On the other hand, if you want to tighten the bolts, you have to make sure that it faces the clockwise direction.

  • Step 3: Choosing the Right Speed

There are wrenches that allow the user the assign the correct speed when working on a project. To do this, you can find a switch or dial on the side of the wrench. You can switch and set the correct speed for the project that you are trying to complete. Once you have the correct speed and torque level, you can attach the correct size of the socket to the bit which is located in front of the wrench. Once you have everything set up correctly, you can now start working on your project.

 

Best Cordless Impact Wrench Reviews 2017 Edition

Removing lug nuts or installing screws or bolts into tough materials is never easy or fun tasks to do. It is even more difficult when you are working with stubborn or rusty lug nuts that just won’t come off. If this is a problem that you are facing, then you should seriously consider purchasing the best cordless impact wrench you can find.

With so many different brands and models available, it can be a difficult task to find the right one for you. I’ve used a variety of impact wrenches over the years, but three of them stood out among the rest. I’ve used these three wrenches for a lot of different big and small projects, so I am very qualified to give you feedback. I will also provide you with my unbiased opinion about these impact wrenches, so you can understand which wrench you need to help solve the problems you are facing.

I have narrowed down the top three impact wrenches as follows:

**Below, you'll see more detailed tested and reviews, but you can also click the links above to see current prices and read customer's reviews on Amazon.

Each of these impact wrenches has their own advantages and disadvantages, but I agree that each of them have plenty of uses for being the best cordless impact wrench for automotive purposes. We will explain each of the most important features to you and make our unbiased recommendation regarding the top rated cordless impact wrench out of the three.

Comparison And Testing Devices

Torque Comparison

The torque rating is one of the most important features that you have to consider when buying an impact wrench. It tells you how powerful the tool will be, so you can determine whether it fits your needs. At most manufacturers, the torque rating is determined by tightening a nut or bolt at the certain strength and then removing it. This way, the manufacturer can determine the max torque and the breakaway torque.

Features & Specs.

The Dewalt DCF899P1 , the Dewalt DCF899HB , and the Milwaukee M18 impact wrenches are all high torque, which means they produce a max torque of 700 ft./lbs. Both Dewalt models have a breakaway (or nut-busting) torque of 1,200 ft./lbs while the Milwaukee has 1,100 ft./lbs. The differences in the torque rating among these three are very minimal, so all three of these impact wrenches were made for lug nuts removal.

Testing On The Tires

best cordless impact wrench

Via Amazon.com

I tested each of these impact wrenches on a few different projects. I had to change my tire out on my Ford Super Duty truck and decided to use each impact wrench to take off a different lug nut just to test them out. The lug nuts were 21mm, and I found that both Dewalt models removed them with ease, and I didn't have to put much force on the actual impact wrench at all. The Milwaukee impact wrench still removed the lug nuts, but I had to apply a little extra pressure to get them off. The breakaway torque felt a lot lower than the two Dewalt models, but it was still enough to get the job done.

Another test I used on these impact wrenches was when I got new sets of tires for both of my vehicles (the Ford Super Duty truck and a Kia Sportage SUV). When using all three tools, it was clear to me that the two Dewalt models were built to last, since they removed the lug nuts with ease. The Milwaukee was a little harder to control since it only has two speeds. I found that both Dewalt impact wrenches removed both the 21mm lug nuts on the Ford truck and the 19mm lug nuts on the KIA SUV with ease.

However, the Milwaukee impact wrench struggled a little bit with the 21mm lug nuts. That may have been the slight difference in the breakaway torque, but it did still remove them after a little bit of added force.

Testing Result

With both Dewalt CDF899 impact wrenches, I was able to get the lug nuts to break away easily with the highest speed and torque setting. But once the lug nuts were broken, I shifted it to the lower speed so I wouldn’t put too much strain on my arms. The Milwaukee impact wrench had a harder time breaking away the lug nuts but removed them easily once they were broken. The big difference between the two when installing the lug nuts (both the 19mm and 21mm size) was that I couldn’t control the Milwaukee as much. If I’m going to have to test the tightness of the lug nuts with the Dewalt models anyway, then I might as well use them from the beginning.

Control And Design

Superior control is what you need when shopping for an impact wrench, but there are also other features that will make each one unique as well. Here are some of the important control and design features about each of these impact wrenches:

Dewalt DCF899P1

Bets impact wrench 899p1

Via: Amazon.com

This is possibly the most powerful cordless impact wrench that is equipped with a 3-speed selector switch to provide you with the ultimate control when you’re working, and it is easy to control. Compact size with a brushless motor which is designed to deliver superior run-time, performance, durability and don’t need to maintain like the brushed motor.

This impact wrench will make those tight lug nuts come off with very little effort, so it is definitely regarded as the best cordless impact wrench for changing tires. Even on the lowest setting, you can still expect to be able to remove a lug nut at about 110 ft./lbs of torque.

It is one of the most durable impact wrenches that you can own, and it comes with the battery and a carrying case included, so it is one of the most convenient purchases you can make!

Dewalt DCF899HB

Via: Amazon.com

You will also enjoy a 3-speed selector switch with this impact wrench. It is almost half the weight of the Dewalt DCF899P1, but it is just as durable since it can handle a six to eight-foot drop without breaking as well.

One of the downfalls about this product is that it is only sold as the bare tool, which means that the battery and charger are sold separately. You need to keep that in mind when you read the specifications. It is listed as a weight of 5.8-pounds, but it will actually be heavier once you include the battery.

The bottom of the tool also includes a bright LED light so you can still see what you are doing when it is dark. Once you install the lithium-ion battery, it is one of the most reliable and long-lasting impact wrenches that you can own.

Milwaukee M18

Via: Amazon.com

This impact wrench features the REDLINK PLUS Intelligence, which allows you to choose from two different speeds. The DRIVE CONTROL feature also ensures that the impact wrench won’t get overheated, over-discharged and overloaded.

And don’t let the 18V of power deter you from buying it. Many people believe that it seems stronger than that and can compare to many other 20V models, so it is widely considered as the best 18V impact wrench.

This product is sold with two REDLITHIUM XC 4.0 battery packs, a charger and also a carrying case. You will never have to take a break from working to allow a battery to charge when you have this impact wrench!

Joint Socket Type

The type of joint socket that you choose just depends on the type of work you’ll be doing. If you’re a mechanic and have to use multiple sockets throughout the day, then you’ll be better off with a friction or hog ring. The reason why detent pin anvils aren’t as popular for mechanics is because it can be difficult to change sockets. It requires a pin or a screwdriver in order to get the socket out and replace it, so if you have to use more than one or two sockets during a job, it can be a little frustrating and slow you down.

Most people will choose the impact wrench with either hog rings or friction rings since they are easier to change out; these are found in both the Dewalt DCF899HB and Milwaukee M18. But if you’re going to be using one socket for an extended amount of time, and then getting the Dewalt DCF899P1 with detent anvil will be good as well.

Weight And Dimensions

Size isn’t necessarily everything when it comes to these three impact wrenches. Here is a quick comparison chart of the weight and dimensions of each:

Detail

Dewalt DCF899P1

Dewalt DCF899HB

Milwaukee M18

Dimensions

9.75”(H) x 5.9(W)” x 17.1”(D)

10.6”(H) x 4.2”(W) x 9.9”(D)

9”(H) x 4.2”(W) x 11”(D)

Weight

7.2 pounds (bare)

6.4 pounds (bare)

6.2 pounds (bare)

As you can see, the dimensions correlate with the weight of the product itself. All three impact wrenches are considered to be lightweight, but when the battery is installed, you can expect an additional 3-4 pounds to be added to the weight.

What Are These Impact Wrenches Built For?

  • Dewalt DCF899P1
  • DCF899HB
  • Milwaukee M18

Dewalt DCF899P1 – many people keep this in their toolbox on their automobile, just in case they have to change a flat tire. It will remove lug nuts with ease, and sometimes the top speed is a little too much power. It is a little heavier than the other two models, so it could make you tired if you use it all day. It can be time-consuming to change out sockets with the detent anvil, so keep that in mind if you work on projects that require you to change sockets frequently.

Which Is The Best Cordless Impact Wrench?

If you’re a fan of the Milwaukee brand, then there’s nothing wrong with buying the Milwaukee M18 impact wrench . It’s great for a recreational worker who won’t use it that much, but the Dewalt models are definitely better overall choices.

Between the two Dewalt models, I would recommend choosing the DCF899P1 for a couple of reasons. Since it includes the battery already with your purchase, you are actually getting a better value than if you bought the DCF899HB model . It also comes with a convenient carrying case, so it is more portable! Once you get used to changing out sockets with the detent anvil, it won’t take you very long to change them out each time.

Being a fan of the Dewalt brand, I have numerous Dewalt products, and I can say that I like every one of them. I can say with complete confidence that you won’t regret buying either Dewalt impact wrench, but the DCF899P1 definitely gives you the most value and you will be able to use it for many years!

Tell us about them how they work if you buy one of them.

Other If there three impact wrenches are used which are not you want to purchase. Let's take another one at here!

Benefits Of Customers When They Buy The Best Cordless Impact Wrench

When you have the right kind of cordless impact wrench at that time, you can perform the driving and fastening operations without experiencing any kind of problem

The impact wrench comes with the heavy-duty operation capacity with its greater torque speed.

The nut busting speed of torque of the impact wrench will help you dealing with all types of driving jobs.

One of the most useful benefits you will get from the impact wrench is the powerful torque speed which will help you performing the driving and the fastening tasks very easily.

For the expert technicians, the impact wrench can be claimed as the most efficient tool to be owned because they can finish their jobs within a very short time whereas they would need a long time with the ordinary wrench.

The price range has been set in such a way so that you can find it affordable within your budget.

For performing removing and fastening tasks in the tighter areas, you can have no alternative to the impact wrenches.

How To Pick A Cordless Impact Wrench?

When you will go to buy the impact wrench at that time, you will try to look for the best cordless impact wrench. Therefore, you have to follow certain important and useful guidelines otherwise, you will not be able to purchase the right one for you. In the following description, we will describe some of the most important tips for you so that you can get the best impact wrench for you.

Checking The Torque Speed

The first thing you have to do is to check the torque speed of the cordless impact wrench you want to buy. In this case, you have to remember one very significant thing which is that it is the torque speed and breakaway torque of your wrench which will help you performing the removing and fastening tasks easily. If the torque speed is not that good, then you will not get anything done within the budgeted time of yours. So, you have to compare the torque speeds of the above impact wrenches before you go for buying any of the above.

Checking The Motor Quality

In order to get a durable and powerful motor, you have to check the motor of the impact wrench you are going to buy. The motor life matters a lot when it comes to the matter of the impact wrench you are going to buy. You can choose brushed motor or brushless motor type. In this case, you have to go for that impact wrench which comes with a durable and stable high-quality motor service.

Included Components

The next thing you have to do is to look for the components which will be included with the impact wrench. Different types of accessories are given in the box of the impact wrench which you will buy. Therefore, you should check those accessories before you go for buying it.

Comparing The Price

The last thing you have to do in this case is to compare the prices of the available impact wrenches so that you can choose the right kind for you. Actually, everyone has their own budget while purchasing a new product. In the case of buying a new impact wrench, you also have to do the same thing which is to fix your budget. Fixing the budget will help you choosing the right kind of impact wrench from the above 5 which will help you fulfilling your job.

Conclusion

Through the above review, we have tried to help you getting to know about the best cordless impact wrench so that you can purchase the right kind of impact wrench for you. It is always better to study reviews because it helps you to get the right one for you. For more information regarding the impact wrench, you can also search for many other websites on the internet.

Other tools important for you work with steel, wood or other material by impact driver. You can read more information of best electric impact wrench by click here

The Best Electric Impact Wrench-How to Choose It Right

The best electric impact wrench introduce

An impact wrench can be considered as an important and essential asset for a homeowner as well as for a mechanic. Actually, if you are the sort of person who wants to deal with the small household tasks by yourself, then an electric impact wrench can be of great importance to you. At the same time, for a mechanic, this same thing also serves as a great and important tool because it has the ability to serve lots of purposes and drilling tasks. However, the main problem anyone would face while buying a new electric impact wrench is finding out the best electric impact wrench as there are lots of brands available in the market.

Best electric impact wrench

How does the impact wrench works?

Before you go to buy a new impact wrench, you need to know the reasons which explain the way by which impact wrench works. Actually, an impact wrench works well when some factors are added in the most efficient way. At the same time, the size plays a great role here because customers nowadays want something which is convenient enough to be carried anywhere without facing any problem. So, the manufacturers have mainly brought 2 shapes- pistol shaped and another is a screwdriver like shaped. Whether you want to perform small household drilling and driving jobs, or all the tasks of a technician, you must need an electric impact wrench of better quality.

Things you should keep in mind while going to buy the best electric impact wrench

Power Source

At the very beginning stage, we want to let you know that you need to check the type of power source of the impact wrench you want to buy. In this case, you have to know that at this moment; there can be found 3 different types of power sources which are needed to operate the impact wrenches.

These 3 sources are described below:

Compressed Air

air impact driver

Almost all the mechanic shops, nowadays, use the compressed air type impact wrenches. With this kind of impact wrenches, an air-tank is linked so that it can supply the energy needed to create the type of torque required to perform the drilling and driving operations.

Hydraulics

hydraulic impact wrench

The impact wrenches which come with the hydraulic motors can generate the heavy amount of torque to do different types of drilling tasks. This kind of wrenches can also be the right choice for you if your main focus is to deal with doing heavy driving tasks.

Electricity

Dewalt electric impact wrench

This sort of impact wrench mainly works with the help of electricity to generate the needed power. For operating moderate kind of tasks, you can go for this kind of impact wrench. If you want to perform heavy tasks with your electric impact wrenches, then this type can be regarded as the best electric impact wrench for you. When you choose it that you don’t need an air compressor or a hydraulic tank.

Socket and Shape Size

The following table will give you a brief idea about the socket you need to choose while buying an electric impact wrench for you.

No Socket Size Shape
1 3/8 inch Generally pistol with a special type of inline form that is known as butterfly wrench
2 1/2 inch Pistol
3 3/4 inch Pistol
4 1 inch t-Shaped inline and Pistol

The socket size mainly varies on the type of task you want to do. Therefore, you must consult with a technician before you choose any particular socket size. For example, in the above chart, in the case of no 1 socket size, you can see the shape is a pistol and it is in line and the size is 3/8 inch. Now, if you think your task can be well-performed with this socket size, then you should go for this one.

Torque of the best electric impact wrench

The last thing, in this discussion, we will be discussing is the torque speed of the electric impact wrench.  The torque of electric impact wrench arranges from 190ft-lbs to 350ft-lbs. With AC source is more power than DC source but DC source you can use on car power when you driver on the way.  In this case, you have to remember one simple formula which is that an electric impact wrench can serve the best when it has the high level of torque speed generating capacity. The lower of the speed of the torque is, the performance of that electric impact would be lower. So, you should check the torque speed of the available impact wrenches and only after that you should choose the one that is manufactured to fulfill your purpose in the best possible way.

Conclusion

After reading the above discussion, you have got the clear idea and knowledge which will definitely help you to pick the best electric impact wrench for you. In addition to the above-discussed steps, you can also study some other reviews so that you can find out more information regarding this particular topic.

But you can read more another type of impact driver and cordless impact driver; you can visit the link of the best impact driver. It can show you full detail.

Best 3/8 Cordless Impact Wrench 2015-2016

Do you know why I choose the best 3/8 cordless impact wrench?

The 3/8-inch impact is considered the ideal wrench to use in the job site, as the ½-inch is typically used for truck tires. It is best to go with the best 3/8 cordless impact wrench if the bolts that are typically dealing with do not measure more than an inch.

Since there are several models of impact wrenches in the market, finding the best one can be a tough decision to make. There are a lot of features as well as factors to consider. It is important to determine the purpose or the project that you are working on, as different wrenches work with different applications. However, there are wrenches that can be used for a wide array of applications.

To help you out here is a list of the top 3/8-inch impact wrench for 2015-2016.

DEWALT DCF883M2 Impact Wrench Kit with Hog Ring

DEWALT DCF883M2 best 3/8 cordless impact

  • This  impact wrench from Dewalt is considered one of the best 3/8 cordless impact wrench in the market today. This features a compact as well as lightweight design, which is the perfect fit for all types of tight areas in the work site. In fact, this measures about 5.70 inches from the front towards the back and this device weigh about 3.4 pounds.
  • This device comes with LED lights with a 20-second delay after the trigger is released. With this feature, visibility is provided without any shadows. In addition, this comes with a hog ring anvil that you can use to change sockets easily.
  • It comes with an anti-slip comfort grip that allows maximum control and comfort for the user.
  • This is powered by an XR Lithium-Ion battery with a fuel gauge, allowing 33 percent more capacity compared to standard packs.
  • This impact wrench is perfect to use for driving as well as removing fasteners on metal, wood or concrete. This can also be used to fasten and remove bolts and nuts as well as use with impact sockets.

DEWALT DCF883B – Best 3/8 Impact Wrench with Hog Ring

Dewalt impact wrench

  • This impact wrench comes with several features that help increase and improve productivity on the job.
  • This tool from DEWALT comes with three LED lights that work with 20-second delay, which allows visibility without shadows when working in the dark and tight work areas.
  • In addition, this comes with a fuel gauge indicator which can alert the user whenever the battery needs to be recharged.
  • A hog ring is also included, which allows the user to easily change impact sockets.
  • This device is known to provide maximum comfort and control when utilized as this comes with anti-slip grip handle.
  • This device is powerful, as this can provide 1,560 inch-pound of torque as well as 2,700 IPM (impacts per minute). Moreover, the motor installed in this impact wrench offer fast application speeds for a variety of applications. This tool comes with a durable gear case, heavy-duty impact mechanism, and all metal transmission.
  • This impact wrench from Dewalt is ideal to use with impact sockets intended for removing and driving fasteners in metals, concretes and woods.
  • This wrench does not come with batteries and charger, as they are sold separately.

DEWALT DCF813S2 Impact Wrench Kit

DEWALT DCF813S2 impact wrench kit

This impact wrench from Dewalt is one of the best 3/8 cordless impact wrenches in the market. This wrench boasts a compact design and user-friendly features.

  • At 6 ¼ inches long, this can fit into small, tight and hard-to-reach spaces. With its length, you can actually apply maximum leverage, which enables you to get the most from this device’s 1,150 inch-pound of torque.
  • In addition, this wrench comes with three LEDs which are mounted around the barrel, allowing better visibility.
  • This Dewalt wrench weighs only 2.3 pounds, which is evenly distributed between its battery pack and ergonomic body. This can easily be lifted and handled, allowing maximum control when working.
  • This also comes with a hog ring anvil, which enables the user to quickly change sockets when working.
  • The device’s battery pack is known to last long, as this comes with a 12-volt lithium-ion battery pack, which you can quickly recharge in 30 minutes to an hour. This kit is complete, as this comes with the impact wrench, two battery packs, a charger, and a bag.

Makita WT01W Cordless Impact Wrench Kit

Makita wt01w

  • This Makita impact wrench is known for its ultra-compact design. In fact, this tool measures only 6 3/8 inches long and weighs about 2.1 pounds.
  • This wrench comes with a Makita motor that delivers 1,000 inch-pound of maximum torque. In addition, this wrench has a variable speed of 3,000 IPM or impacts per minute, which is perfect for a wide range of fastening applications.
  • This device comes with built LED lights that illuminate the work area and soft grip handle for maximum comfort and control while working. Its battery is a 12-volt max lithium-ion battery that offers longer run time.

 

Conclusion

Finding the best 3/8 cordless impact wrench for the job is easy as long as you are able to determine the purpose of the tool and the features that you prefer and need. If you are in need of a tool for several projects, then you should consider purchasing an impact wrench that you can utilize for a wide variety of applications.

We have some type best impact driver for you choice. You can read more information best 12v impact driver by clicking this link here