Impact Driver vs Impact Wrench - Which Impact Tools is Right Fit for You


Not having the right tool to drill or removing rusted nuts and bolts can delay your DIY project for many days/weeks or months. So how to deal with problems of proper nuts, bolts and screws? What is the cause of bolt failure?  Which tool to buy fasten, wrench, drill, and remove rusty nuts? How to remove rusty bolts or nuts in less than a minute?

In recent years, there has been a considerable resurgence of electric impact wrenches/ drivers with qualities such as driving and retracting screws quickly. Many power tool manufacturers offer corded and cordless impact drivers and impact wrenches, and it is not unusual to confuse these two tools.

Before buying any of these, you need to understand what these tools can or what they can use. In this comparison of both instruments, we will discuss the definition, use, and pros and cons of each tool to help you make the right choice.

What is an Impact Driver?

According to Wikipedia, an impact driver is a tool that delivers a strong, sudden rotational force and forwards thrust when struck on the back with a hammer.

Impact drivers can be used to drill holes, fasten, or get screws out from tough materials. How you might think, the tasks mentioned above can be done by a drill machine, then why an impact driver? An impact driver is a more powerful and efficient tool than any cordless drill. An impact driver uses a mixture of rotational power and percussive power; on the other hand, a drill machine uses only rotational force to fasten the screws.  

What is Impact Wrench, and what can you do?

According to Wikipedia, an Impact Wrench is a socket wrench power tool designed to deliver high torque output with minimal exertion by the user by storing energy in a rotating mass, then giving it suddenly to the output shaft.

An impact wrench is a heavy-duty power tool that can be used to extract a frozen nut, rusted bolts, or fastener screw. These tools are powered by either electricity or compressed air. Impact wrenches are usually used in automobile, construction, shipping, mining and metal industries. One should be very careful while using an Impact wrench, as users can break the nuts if they do not determine a specific torque value suitable for bolting the nut.  

What is the difference between Impact Driver vs Impact Wrench?

Despite having a similar appearance, these two tools have a few key differences in functionality and usage that everyone should be knowing. Here is the comparison table explaining the key differences between an impact driver vs impact wrench-

Feature Impact Driver Impact Wrench
Price Starts with 10K Rs. Expensive than Impact driver
Weight 3.5 pound 6 pound
power source Battery, electric Electric and compressed air
RPM Approximately 3000 RPM Approximately 2000 RPM
Chunk type 1/4-inch hexagonal socket 1/2-inch square socket
Torque 1500-2000 in-LBS 2200-3000 in LBS
Usage Drilling and driving Tightening heavy duty nuts and bolts

The final Thought

What kind of tool should you get? Impact Wrench is a specific kind of device. If you are working in heavy construction or as a mechanic, then an impact wrench will work for you. On the other hand, an impact driver is made for DIY enthusiasts and homeowners. With an adapter, it can be used to remove nuts and bolts.