M12 vs. M18 Hackzall: What’s the Difference?

M12 vs. M18 Hackzall: What’s the Difference?

Are you a DIY enthusiast or a professional contractor in need of a trusty and reliable reciprocating saw? Look no further, because this guide has got you covered! This ultimate showdown will dive deep into the battle between the M12 and M18 Hackzall models, revealing their secrets, strengths, and weaknesses. Get ready to unleash your inner handyman as you dissect the differences and help you choose the perfect tool for your next cutting project. Whether you’re slicing through wood, metal, or plastic, this guide has all the information you need right here, so get started with this M12 vs. M18 Hackzall face-off!

What is M12 Hackzall?

The M12 Hackzall is an exceptional compact cordless reciprocating saw, expertly crafted by Milwaukee Electric Tool. This innovative tool is purposefully designed to effortlessly tackle cutting and demolition tasks, delivering remarkable accuracy and power. With its user-friendly interface and compact form factor, the M12 Hackzall ensures utmost convenience and ease of use. Whether you’re a professional tradesperson or a DIY enthusiast, this cutting-edge tool is guaranteed to revolutionize your cutting experience. Get ready to experience unparalleled precision and efficiency with the M12 Hackzall!

What is M12 Hackzall?

This device is incredibly lightweight, weighing in at just under 2 pounds, and ergonomically balanced for optimal comfort during extended periods of use. Its compact size and slim profile make it the perfect tool for tackling tight spaces with ease. The M12 Hackzall also boasts a variable speed trigger, granting users precise control over the cutting speed for enhanced accuracy. Whether you’re a DIY enthusiast or a professional in need of a reliable cutting solution, the M12 Hackzall is the ultimate choice, delivering powerful performance and unrivaled versatility to tackle any project with confidence [1].

What is M18 Hackzall?

M18 Hackzall is a cordless reciprocating saw made by Milwaukee Electric Tool as well as part of their M18 line of tools. It is designed for fast and accurate cutting in tight spaces, with a compact form factor that allows it to fit into tight spots. The M18 Hackzall features an adjustable speed trigger, which gives greater control over the cutting speed, as well as an ergonomic design that ensures comfortable extended use.

This powerful saw offers increased runtime with the use of an M18 REDLITHIUM battery and is capable of cutting through tough materials like wood, metal, plastic, and more. The M18 Hackzall is a perfect choice for professionals or DIYers looking for a powerful and versatile saw that can handle any job. With its impressive performance and user-friendly features, it’s no wonder why the M18 Hackzall is a popular choice among tradespeople and power tool enthusiasts alike. Whether you’re looking for superior cutting performance or unmatched convenience, the M18 Hackzall delivers it all [2]!

What makes M12 & M18 Hackzalls unique?

The M12 and M18 Hackzalls offer advanced features that make them stand out from the competition. Both models are designed with a compact form factor that ensures utmost convenience in tight spaces, while their adjustable speed trigger grants users complete control over their cutting speed for enhanced accuracy.

The M12 model is incredibly lightweight and offers excellent ergonomics for comfortable extended use, whereas the M18 model boasts increased runtime with its powerful REDLITHIUM battery and is capable of tackling tough materials with ease. Furthermore, the M12 Hackzall can cut through a range of materials including wood, metal, plastic and more. With its superior performance and user-friendly features, it’s no wonder why these tools are so popular among tradespeople and DIYers alike!

No matter which model you choose, you are guaranteed to experience unparalleled precision and power with the M12 or M18 Hackzall. Both of these exceptional tools offer remarkable performance and unrivaled convenience, making them the perfect choice for any cutting or demolition job. Get ready to revolutionize your cutting experience with either of these powerful reciprocating saws!

What makes M12 & M18 Hackzalls unique?

What are some applications for M12 & M18 Hackzalls?

The M12 & M18 Hackzalls are perfect for a variety of applications, ranging from cutting and demolition tasks to plumbing and electrical work. The lightweight design makes it ideal for getting into tight spaces like behind walls or under floors, while the adjustable speed trigger allows users to customize their cutting experience for increased accuracy and precision.

These tools can be used in a wider range of construction and renovation projects, from cutting and trimming drywall to removing old pipes or electrical conduits. They are also excellent for pruning and trimming trees and plants since their adjustable speed trigger allows users to adjust the blade speed based on the material they’re working with for maximum control and precision.

No matter what application you need it for, the M12 & M18 Hackzall are the perfect tools for tackling any cutting or demolition task with ease. With their user-friendly design and powerful performance, these remarkable reciprocating saws will revolutionize your next project!

Milwaukee M12 vs. M18: Great Product Comparison


When it comes to design, both Milwaukee models have a lot to offer. The M12 stands out with its impressively compact size and lightweight body, allowing it to effortlessly fit into even the tightest spaces. Its ergonomic handle ensures a comfortable grip, while the adjustable speed settings provide precise control over the cutting job. On the other hand, the M18 not only shares similar ergonomics and weight balance but also comes equipped with a range of additional features. These include a variable speed trigger, enabling users to tailor the cutting speed to their specific needs, and an adjustable depth stop for consistent and accurate cutting depths. With these enhanced features, the M18 offers even more versatility and precision in various cutting applications.

Milwaukee M12 vs. M18: Great Product Comparison


When it comes to cutting performance, both models offer exceptional power and durability. The M12, with its robust motor, effortlessly slices through materials, ensuring effortless cutting. On the other hand, the M18 shines with its advanced brushless motor, delivering even more efficient operation, making every cut a breeze. What’s more, both models are designed to provide up to 1,000 cuts per charge, allowing you to tackle extensive cutting tasks without interruption. Additionally, they are compatible with a wide range of accessories, providing versatility and flexibility for various cutting applications.


The M12 and M18 cordless tool systems are both equipped with a range of batteries, spanning from 3.0Ah to 5.0Ah. However, the M18 has a distinct advantage in terms of battery life, thanks to its cutting-edge brushless motor technology. This innovative feature not only enhances power efficiency but also prolongs the battery life, ensuring longer operation and reducing the need for frequent recharges. With its superior performance and extended battery life, the M18 unquestionably outperforms the M12 in terms of power and overall efficiency.


When it comes to speed, the M12 and M18 are both impressive tools. The M12 features a variable speed switch that enables users to adjust the cutting speed for different applications, while its adjustable depth stop ensures accurate cutting depths. In contrast, the M18 offers even more control over the cutting job due to its advanced variable speed trigger. This feature allows users to easily fine-tune their cutting speed to suit different tasks, ensuring precisely tailored results.


When it comes to price, the Milwaukee M12 and M18 Hackzall models offer great value for money. The M12 is available at an affordable price point, while the M18 costs slightly more but offers a host of advanced features that make it worth every penny. The average price of the M12 is around $100 while the M18 costs approximately $200. Both models are an excellent choice for a range of cutting applications, though, so it really depends on your individual needs and budget.

Milwaukee M12 vs. M18: Great Product Comparison

How to maintain Milwaukee M12 and M18 Hackzall?

To keep your Milwaukee M12 and M18 Hackzall in the best shape possible, there are certain maintenance steps you need to take. To start with, make sure you clean off any dirt or debris from the surface of the tool after each use. This will help prevent rusting or corrosion from forming on the body of the tool.

Additionally, it is important to regularly check the blade and any other attachments to make sure they are in good condition and free of any rust or corrosion. If you detect signs of damage, it is important to replace the part right away to extend the life of your tool.

Finally, be sure to lubricate all moving parts regularly with oil designed specifically for power tools. This can help protect against wear and tear as well as maintain the smooth operation of the tool. Taking these steps can help you keep your Milwaukee M12 and M18 Hackzall running like new for years to come.

How to pick between the Milwaukee M12 and M18 Hackzall?

When it comes time to make a decision on which type of Milwaukee Hackzall to purchase, there are several important factors to take into consideration. First and foremost, it is crucial to think about the specific type of project you intend to utilize the tool for. If your projects primarily involve cutting through tough materials like wood or metal, then the M18 model would be the ideal choice due to its increased power and performance. The M18 offers enhanced cutting capabilities, allowing you to tackle even the most demanding tasks with ease and efficiency.

How to pick between the Milwaukee M12 and M18 Hackzall?

On the other hand, if your projects typically involve cutting through softer materials such as PVC or plastic, then the M12 model may be more than sufficient for your needs. The M12 provides a versatile and compact solution, perfect for precision cutting in these types of materials. Its lightweight design and maneuverability make it a convenient option for tasks that require agility and finesse.

By considering the specific requirements of your projects and matching them to the capabilities of the different Milwaukee Hackzall models, you can ensure that you make a well-informed decision that meets your needs perfectly. Don’t rush the decision-making process; take the time to evaluate your requirements and select the Hackzall model that will empower you to achieve outstanding results in your projects.

Additionally, it is important to consider the size and weight of the tool for your needs. If you plan on doing a lot of overhead work, then a lighter M12 model might be best suited. Finally, if you are looking for more features like LED lighting or brushless motors then you may want to invest in an M18 model. Ultimately, the decision between Milwaukee M12 vs. M18 Hackzall will depend on your specific needs and preferences.

How to pick between the Milwaukee M12 and M18 Hackzall?


What’s the main difference between M12 and M18 Milwaukee tools?

The main difference between Milwaukee M12 and M18 tools lies in the power they deliver. The M12 boasts 12 volts of power, while the M18 packs a punch with 18 volts. This substantial power disparity means that the M18 tools are generally more robust and capable of tackling even the toughest of tasks when compared to their M12 counterparts.

Moreover, it’s worth noting that certain M18 models come equipped with an extended battery life, ensuring users can work for prolonged periods without the need to swap out batteries. This added convenience allows for uninterrupted productivity and seamless workflow.

What is the difference between an M12 and an M18 Hackzall?

The main difference between the Milwaukee M12 and M18 Hackzall is the amount of power they provide. The M12 has 12 volts of power while the M18 provides 18 volts of power.

The M18 Hackzall is a more powerful tool than the M12 and as such can handle tougher tasks with ease. It also has an extended battery life which makes it possible to work for longer periods without needing to swap out batteries, resulting in uninterrupted productivity.

The M12 Hackzall might not be able to tackle some of the tougher projects that its M18 counterpart can, but it is still a powerful and versatile tool. It offers the same fast cutting speed and one-handed design as the M18 Hackzall, plus the added bonus of being more lightweight and compact. This makes it ideal for tight spaces where access to power tools might be limited.

What size is the Hackzall M12 and M18?

The M12 and M18 Hackzall are both compact tools, designed to fit in tight spaces. The M12 measures just 7.9 inches in length, making it ideal for working in even the most confined areas.

Meanwhile, the M18 is larger measuring 8.1 inches long, but still small enough to be used in hard-to-reach spots with limited access. Both the M12 and M18 also feature an ergonomic handle that allows for comfortable maneuverability.

What are some key features of the Milwaukee Hackzall?

The Milwaukee Hackzall is a powerful and versatile tool that offers several unique features, making it a great choice for tackling even the toughest tasks. Some of these features include:- Dual speed trigger – for added control and precision when cutting

  • LED light – for increased visibility in dark spaces
  • One-handed design – for improved maneuverability, even in tight areas
  • Quick change blade clamp – for easy swapping of blades
  • Anti-vibration technology – to reduce user fatigue and improve comfort during extended use

Additionally, both the M12 and M18 Hackzall offer extended battery life, allowing users to work for longer periods without needing to swap out batteries. This makes the tool especially useful for long projects where consistent output is required.

Are M12 tools powerful enough?

Yes, M12 tools are powerful enough for many different tasks. Although the M18 offers more power than its M12 counterpart, the Milwaukee M12 is still capable of tackling a variety of home improvement and DIY projects. Its lightweight and compact design also makes it ideal for working in tight spaces where access to power tools may be limited. Additionally, the extended battery life ensures that users can work for longer periods without the need to swap out batteries. So, while the M18 might provide more power and increased capability, the M12 is still a reliable and powerful tool.

Are Milwaukee tools reliable?

Yes, Milwaukee tools are widely recognized for their exceptional quality and unwavering reliability. These professional-grade tools are meticulously designed to strike the perfect balance between robustness and lightweight construction, allowing users to effortlessly work for extended periods without experiencing any fatigue or discomfort. Furthermore, to provide the utmost reassurance, these tools are accompanied by an extensive five-year warranty, ensuring that users’ valuable investments remain fully protected.

Manufactured with unparalleled precision and accuracy, Milwaukee tools are engineered to exceed expectations, effortlessly tackling even the most demanding tasks with unparalleled ease. Whether it’s a challenging construction project or a meticulous woodworking endeavor, these tools are the epitome of reliability, empowering users to achieve remarkable results every single time. With Milwaukee tools by your side, you can confidently embrace any project, knowing that you have the finest tools in your arsenal.

What accessories do Milwaukee M12 and M18 tools come with?

The Milwaukee M12 and M18 tools come with a variety of accessories, allowing users to customize their workflows according to their specific needs. Depending on the model, some of these accessories include batteries, chargers, LED lights, saw blades, drill bits and screwdrivers. Additionally, Milwaukee also offers a range of protective gear such as face shields and ear muffs for safety precautions while usingtheir tools. It is important to note that the accessories and protective gear vary from model to model, so please refer to the user manual for more information.

Do M12 and M18 use the same charger?

No, the Milwaukee M12 and M18 tools require different chargers. The battery charger for the M12 is model 48-11-2420 while the one for the M18 is model 48-59-1812. It is important to always check that the correct charger is being used when recharging batteries as using an incorrect one may result in damage or even injury.

What is the Milwaukee REDLITHIUM battery?

The MILWAUKEE® REDLITHIUM™ battery is a type of Li-Ion battery technology developed by Milwaukee to be used in their cordless tools. Thanks to its superior cell construction and advanced electronics, it provides up to two times more run time, 20% more power and 50% longer life compared to standard Li-Ion batteries. This makes it an ideal choice for users who need extended run times and higher power output from their cordless tools. Additionally, the REDLITHIUM battery is equipped with a temperature management system that helps to protect the cells from overheating and ensures consistent performance even in challenging conditions.

Useful Video: Milwaukee M12 FUEL VS Milwaukee M18 FUEL (BEST NEW Oscillating Multi Tool Comparison)


M12 and M18 Hackzalls are great devices to have around the workshop. They provide you with more control and versatility than a standard saw, allowing you to make precise cuts in tight spaces. The M12 also has a longer battery life and much better maneuverability due to its unique design, while the M18 is slightly stronger but can be bulky at times. Deciding between them comes down to your own personal preference and the type of work that you plan to do. No matter which one you choose, the Milwaukee Hackzall is sure to be an invaluable tool for all your cutting needs.


  1. https://www.protoolreviews.com/milwaukee-m12-fuel-brushless-hackzall-review/
  2. https://www.protoolreviews.com/milwaukee-m18-fuel-hackzall-review/