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6 Reasons a Mechanic Needs a Cordless Impact Wrench

Impact wrench
19 September 2023 317 view(s)

When purchasing an impact wrench, mechanics must find the perfect tool. Among the sea of mechanic tools available, cordless impact wrenches stand out as a game-changer. These portable powerhouses can handle various applications, making them one of the best power tools for mechanics starting in this industry, both in the garage and at home.

But what is a cordless impact wrench, and how can it benefit you?

This guide explores six advantages this tool offers mechanics and how it is an indispensable asset for your toolkit.

What Is a Cordless Impact Wrench?

Black and wide picture of an impact wrench

Also called an impact gun, an impact wrench is the ideal tool for tightening or loosening nuts and bolts. It uses high torque levels that a drill cannot provide. There are several variations available, such as hydraulic and electric.

Unlike its corded or pneumatic counterparts, a cordless impact wrench operates on battery power, providing freedom of movement and eliminating the need for an external power source.

Several components define the cordless impact wrench. Firstly, the motor generates the rotational force necessary for bolt manipulation. High-quality cordless impact wrenches often feature brushless motors, which offer enhanced efficiency and extended battery life.

The battery is another crucial element, providing the necessary power to drive the motor. Cordless impact wrenches commonly use lithium-ion, nickel-metal hydride or nickel-cadmium batteries. Optimal battery performance allows mechanics to work uninterrupted for extended periods without worrying about power supply constraints.

Moreover, ergonomic design elements ensure the user’s comfort and control during operation. Cordless impact wrenches are typically compact and lightweight, reducing fatigue and enabling access to confined spaces. They often feature rubberised handles and strategically placed grips, offering a secure and comfortable grasp while minimising hand strain.

6 Benefits of Purchasing a Cordless Impact Wrench

1) Compact

Someone holding an impact wrench

One advantage of the cordless impact wrench is its compact nature, making them portable and manoeuvrable. 

Unlike other impact wrenches, this tool enables you to utilise it in tighter, more awkward situations and spaces. Whether working under a vehicle or in a cramped engine compartment, the cordless impact wrench provides easy access where more extensive alternatives may struggle.

This style is often lighter and smaller than other wrench variations, making it easier to manipulate and less physically demanding. Their smaller dimensions also provide a comfortable grip for extended periods. You can confidently manoeuvre the wrench without worrying about excessive strain or fatigue.

2) Powerful

Impact wrench fastening bolts

Mechanics want powerful tools for their projects; the cordless impact wrench is no exception. With some models achieving torque levels of 1500 ft-lbs, there is no doubt this wrench can support you with various demanding tasks around the workshop.

Moreover, the power of cordless impact wrenches significantly enhances efficiency. The high torque output translates into faster completion of mechanical projects, saving valuable time.

By effortlessly removing stubborn bolts or tightening fasteners with precision, these tools streamline the repair process, allowing mechanics to complete tasks in a fraction of the time it would take using traditional hand tools.

3) Reduced Kickback

 Cordless impacy wrench being held

Kickback is when the rotational power from the motor transfers into the user’s hands. This issue occurs due to the motor's resistance when operating, so it cannot turn the bit inserted in the socket. Kickback can strain the user’s wrist or arm as they attempt to steady the tool.

However, as cordless impact wrenches can deliver higher torque levels, most types can operate despite that resistance, so the fastener loosens or tightens anyway. This means less rotational power transfers to the user’s arm, and the kickback lessens.

Therefore, a cordless impact wrench makes the tool more stable, reducing the likelihood of strain or injury to the user and making it a safer choice.

4) Minimal Maintenance

impact wrench on its side on work bench

One of the significant advantages of cordless impact wrenches for mechanics is the minimal maintenance they require, thanks to advancements in battery technology.

These tools use high-capacity lithium-ion batteries that offer longer runtimes, reducing the need for frequent battery replacements. Additionally, the quick recharge capabilities of modern cordless impact wrenches allow mechanics to keep working without extended downtime.

Cordless impact wrenches can withstand heavy-duty use, essential for mechanics working in demanding environments. With such durability, mechanics can rely on their cordless impact wrenches to handle challenging tasks without experiencing frequent breakdowns or malfunctions. Also, they can have multiple batteries, so when one battery runs out, there is another battery that can be used.

5) Convenient

Impact wrench on floor

Sometimes, your work takes you to remote locations and needs easy-to-transport tools. This impact wrench is ideal for on-the-go use, and you can use it in various environments and conditions. 

Also, its cordless nature gives more freedom and flexibility for use. With no reliance on power outlets and no cord to interfere with your work, mechanical tasks become more manageable and have no risk of tangled wires impeding your productivity.

This portability and versatility make cordless impact wrenches valuable, allowing you to handle various work situations effortlessly.

6) Cheaper

£5 and £20 notes

Regarding the tools of the trade, cost efficiency is a crucial factor for any mechanic. Investing in a cordless impact wrench can offer long-term savings in several ways.

These tools require minimal maintenance compared to their pneumatic counterparts, eliminating the need for costly air compressors, hoses, and regular oil changes. Their portability and freedom of movement also allow mechanics to work more efficiently and complete tasks in less time, significantly reducing the time spent on manual labour.

A cordless impact wrench justifies its initial investment for seasoned professionals and aspiring beginner mechanics by providing superior value for money through enhanced performance and durability.

For example, the Ingersoll Rand 1/2” Square Drive Air Impact Wrench has a metal case for work in more challenging environments and can provide up to 610Nm of reverse torque. It is also the least expensive impact wrench Heamar have available at the time of writing.

Featured Product: Ingersoll Rand W9691

Ingersoll Rand W9691 impact wrench

If you are looking for one of the best cordless impact wrenches for mechanics, the Ingersoll Rand W9691 Impact Wrench is the perfect solution. Its electronic brake promotes safety and control for the user, and it allows for variable speed adjustment via a switch.

This impact wrench also combines the benefits of a cordless wrench with air power to provide the desired results for your project. This Ingersoll model offers 3000Nm tightening torque and 4000Nm breakaway torque, making it ideal for mechanic applications.

Heamar also have a range of power tools and impact sockets for mechanics, providing you with everything you need for your toolkit. See how we can support your mechanical projects today!

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