Uses of Impact Wrench

Impact wrenches are also known as impact guns that are known as the most powerful power tools widely used by mechanics to lose and tighten lug nuts or bolts.

What is an Impact Wrench?

An impact wrench is a spanner power tool used for undoing or tightening large bolts, nuts, and rusted fasteners. An impact wrench is designed to provide high torque with minimal exertion that a regular impact driver cannot deliver. Impact wrench was introduced by Robert H. Pott of Evansville, Indiana.

The electric or hydraulic power source is used but compressed air is the most common power source with cordless electric devices that were the most popular in the mid-2000s.

Types of an Impact wrench

Before knowing the uses you should know about the types of an impact wrench. There are different types of impact wrenches available and each has its abilities.

Corded Impact wrenches

Pros:

  • Torque control and good speed.
  • Easy to carry and no need for an air compressor.

Cons:

  • Expensive as compared to air impact wrench.
  • Overheating.

Corded impact wrenches are the electric wrench that you need to power them up by plug into the electricity socket. An electric motor is filled at the end of the tool that drives hammer units and transfers its motion to the countershaft.

Cordless Impact wrench

Pros:

  • Eminently portable.
  • Has the ability to work in confined spaces.

Cons:

  • Highly expensive.
  • Quickly drain the batteries in continuous use.
  • Little heavy as compared to corded and air impact wrench.

A Cordless impact wrench is a battery-powered wrench that has unique properties over the other and it is highly portable. You can keep it in your car or truck and can use it whenever you need to change the tires. The batteries can get quickly drained when you continuously use it in bolts and nuts.

Pneumatic or air impact wrench

Pros:

  • Pretty affordable.
  • Longer life.
  • The air cools down the moving parts.

Cons:

  • Requires an air compressor.
  • Minimal control over torque and speed.

The air impact wrench is powered by compressed air so you will need a large compressor to generate power. It is one of the oldest models but people prefer to use this over other impact wrenches and it is a handy tool use for heavy work.

Impact Wrench Uses

Impact wrenches are used for multipurpose work and are widely used to perform heavy-duty work. Here are some of the uses that we perform daily with these wrenches.

In manufacturing and construction sites

When building a house you need strong pillars to support it and the pillars need bolts and nuts to stay strong in the position. Impact wrench help to put them in position. If you will do this with a regular driver it might not stay fix and people use impact wrenches in manufacturing sites to make their job easy. It needs more power to undo or tighten bolts and nuts of machinery.

In mechanic stores

Mechanic stores use these wrenches for making the job easier. They can perform heavy work by delivering high torque in less time. These are useful tools for those who work in garages as they can easily remove parts from the vehicle. The tight bolts will no longer be hard to lose for them. After completing their job they easily fix it back to the same position.

For Car repair

Sometimes it being difficult to replace a tire with a regular driver. Impact wrench will not take more than a minute to open a tire and replace it with a new one. It will tighten the nuts of the tire and will ensure that it will not easily fall off.

Common mistakes you should avoid before using an Impact wrench

Using the wrong tool

It might be possible that you are using a regular driver. Impact wrench has different outlets. If you will use regular driver it will not open up quickly.

Over tightening

The bolts and nuts should not be tightened too much than the manufacturer’s recommendation, it may cause a huge problem. So, before tightening the bolts or nuts read the instruction to stay safe.

Using a wrong-sized wrench

There are chances that you use the size is not the size of wrench that you need and you got a different one, that will not do the work correctly. The small size wrench may not fix whereas the bigger size may put much pressure.

Wrong wrench type

There are possibilities that you bought the wrong type of wrench. If you bought an impact wrench without an air compressor then it will useless likewise if you bought an electric wrench and there is no electricity in your area then it will go in vain.

Frequently Asked Questions

How do I choose an impact wrench?

The first thing you should consider that your impact wrench has the right torque to perform the task.
Check your airflow and airline network. Correct airflow and the correct tool will outlay a good performance.

Which type of socket should be used with an air impact wrench?

You should not use a standard socket with an air impact wrench as standard socket and air impact wrench has the main difference in wall thickness and material hardness.

Difference between an Impact wrench and impact driver

Impact wrench has more torque than impact driver as impact wrenches are more powerful. Impact wrenches use the square drive of generally ½” that are made for loosening sockets while impact driver mostly uses a ¼” hex drive that is used for driving screws.

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