All You Need To Know About Impact Wrenches

An impact wrench is one of the essentials in a garage or in sudden need of changing your car tires. Available in corded and cordless designs, this device has a range of applications. However, before buying the device, we have provided the details on all you need to know about impact wrenches.

What is an impact wrench?

An impact wrench is also referred to as an impact gun and a rattle gun. It’s mostly used for loosening lug nuts or stubborn bolts. It is a socket wrench designed to deliver higher torque output. The rotating mass stores energy and delivers it to your output shaft. Most commonly, the impact wrench receives power from the air compressors. However, nowadays, cordless and hydraulic models are available in the market. 

All you need to know about impact wrenches

We have presented you with every detail on impact wrenches.

How much torque do I need in an impact wrench?

On average, the torque of the impact driver ranges from 1500 to 1800 in-lbs. However, you can give more focus to RPM. You can do your work faster than an impact wrench with slower speeds and more torque. Thus, to accomplish your work within a shorter time, you can look for a machine with a higher RPM. The amount of torque needed can vary with your purpose. In some cases, the lug nuts can be removed with a torque of 80 to 100 in-lbs. 

Can an impact driver be used as an impact wrench?

In most cases, you can use the impact driver as your impact wrench. The driving style is the major factor differentiating the impact wrench from the impact driver. This impact driver needs a 1/4-in hex collet accepting 1/4-in hex shank bits. On the contrary, you need a square drive for your impact wrenches.

Can you use regular sockets with an impact wrench? 

Carbonized chrome molybdenum is used for designing impact sockets. These sockets are stronger than normal sockets treated with some chrome vanadium finish. There is a risk of breakage and cracks when you use regular sockets with your impact wrench. 

Can you use an impact socket on a regular wrench?

Sockets are of varying types, and you need to use them to deal with different tool requirements and fasteners. The most durable and popular socket is the impact socket, capable of withstanding the load applied by your regular wrench.

How strong of an impact wrench do I need? 

Smaller impact wrenches are efficient at doing most of the work done in your DIY projects. But, for an automotive wrenching purpose, your impact wrench needs a higher strength. Around 400 pound-feet of torque is needed for doing suspension works and removing lug nuts. But, rusting can cause bolts and nuts to hang on tight. That is why you need an impact wrench of around 500 pound-feet of torque.

What is a friction ring on an impact wrench?

A friction ring refers to the device for connecting a tool to the surfaces like a vehicle or a machine. The cone-shaped tip of the friction ring is hit against the surface that you like to connect.

Should I get a 3/8 or 1/2 impact wrench? what is better between 1/2 or 3/8 impact wrenches?

To get more power, you need a 1/2 impact wrench. You will find a higher torque level with this wrench. On the contrary, a 3/8-inch impact wrench ensures torque of around 90 to 100 ft/lbs. But, this impact wrench is smaller and more lightweight than ½ impact wrench. Thus, you can use it while dealing with the tighter space. 

What size impact wrench should I use for automotive work?

You can choose the ½-inch impact wrench to manage the power needed for performing regular car repairs. However, 3/4-inch and 1-inch are other size options for impact wrench users. You can use them while dealing with big trucks and construction projects. 

How much psi do you need for an impact wrench?

You need at least 90 PSI for the air compressors used with your impact wrench. It will ensure the proper functioning of the machine. The shut-off pressure of the air compressor should be high. You must not overlook the loss of pressure while shutting off your air compressor at around 100PSI. 

Small air compressors with 1.5 to 3 horsepower will generate 120 to 150 PSI. Thus, you will find no issue with the air.

So, these are all you need to know about impact wrenches, and you can decide on the right tool.

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