Milwaukee 2420 20 Bare-Tool 12-Volt Hackzall Saw Review

When you buy through links on, As an Amazon Associate I earn from qualifying purchases.

Milwaukee 2420 20 Bare-Tool 12-Volt Hackzall Saw is another powerful yet compact reciprocating saw designed by Milwaukee Electric Tool Corporation.

The Hackzall is Milwaukee trademark that emphasizes of their high-quality product. Milwaukee 2420 20 Bare-Tool model is a lightweight saw. It is designed for a powerful and versatile cutting that allows you to use it in tight spaces. This is a very handy tool for all tradesmen especially if you tackle electrical, plumbing, remodeling, and HVAC application.

This tool comes with a 12 volts lithium ion battery that ensures a steady power supply to allow you to use the tool for a longer period without recharging.

Whom Is This Milwaukee 2420 20 Reciprocating Saw Designed for?

  • Plumbers
  • Electricians
  • Home remodeling contractors
  • Serious DIYers



Product Depth (in.)  2.76  Product Width (in.)  11 
Product Height (in.)  5.0 


Batteries Included  No  Power Tool Features  No Additional Features 
Battery Amp Hours  0.0  Product Weight (lb.)  2.6 lb 
Battery Power Type  Lithium Ion  Color Family  Red 
Charger Included  Yes  Strokes per minute  3000 
Length Of Stroke  .5 in  Tools Product Type  Power Tool 
Cordless/Corded  Cordless  Variable Speed  Yes 
Dust Collection  No Voltage (volts)  12 
Keyless/keyed blade change  Keyless  Manufacturer Warranty  5 Year Limited Tool Warranty
Shipping Weight 2.8 pounds Date First Available November 29, 2006

If you are considering having something that is called best reciprocating saw for it’s lightweight and compact to use daily, then this model is a good choice. Here are other additional features that come with Bare-Tool Milwaukee 2420 20 Bare-Tool 12-Volt Hackzall Saw.

Important Features of  Milwaukee 2420 20

Variable speed triggers for increased user control

Variable speed trigger is a very important feature that every reciprocating saw must have. With this tool, you not only have this feature, but it also comes ergonomically designed to allow you to use it easily.

This model has a powerful motor that has the ability to run this speed at a speed of 3000 strokes per minute. With the variable speed trigger, you can adjust the speed of the saw to match its task.

For example, if you are cutting a soft PVC pipe, you can lower the speed of your saw for a smoother cut. But if you are cutting denser pipes, especially those used in plumbing, you can increase the speed of the saw to cut the pipe faster and efficiently.

Keyless Quik-Lok blade clamp

This is another major feature that allows you to work with the saw faster. Keyless Quik-Lok blade clamp ensures that you are able to change the blade of your saw easily and within the shortest time possible. With this feature, you only need to chuck the old blade out and replace it with a new one within 2 minutes. This makes the saw convenient to use since you are able to resume your work without unnecessary delay.

A reciprocating saw without this feature may make you waste a lot of time in finding the right tool to change the tool, but with this feature, the blade change is easy and fast.

Built-In LED light

Built-In LED light is a very useful feature that helps you to illuminate the surface you are working on without having to carry your own torch.

The LED lights are built in and this may save you additional cost that you could have incurred when purchasing a torch or any other lighting device. This feature also enhances the conveniences of use of this reciprocating saw.

You do not need to carry a torch when getting on your ceiling repairing the HVAC or when doing plumbing repairs inside a cabinet.

Compact and lightweight design

Are you looking for an affordable, compact, and lightweight Hackzall to assist in your daily chores, look no further?

This saw will help you to perform your daily tasks easily and without getting tired quickly. This saw comes in a compact design that enables you to use it in tight spaces.

The saw is also lightweight meaning that you can use it for a very long time without getting tired.

It has a comfortable handle that allows for a firm and secure grip. The handle is also ergonomically designed and constructed with shock absorbing materials that help reduce the shock impacts that may arise when the blade locks. This makes sure that you are able to use the tool for a longer period without tiring your hands.

Accepts both Hackzall and Sawzall style blades

Milwaukee 2420 20 Bare-Tool 12-Volt Hackzall Saw Accepts both Hackzall and Sawzall style blades. This will save you a lot of time because you do not need to shop for a particular blade.

There are very many varieties of hackzall and Sawzall blades available on the market.

This feature also allows you to select the best blade that works well,depending on the type of work you are utilizing the saw to do.

12-volt lithium-ion battery

Although the charger and the battery are sold separately, they are high-quality products that offer a longer run-time and fade-free performance. The lithium ion battery has a lower self-discharge rate than regular batteries. The battery also offers more power for the saw.

The battery charger has the ability to charge the battery fully within 30 minutes. This will ensure that you get back to work without wasting a lot of time.

>>> Click Here To See Specifications, Customer Reviews & Rating <<<


  • The product comes with an all gear case for added durability
  • Has a battery fuel gauge
  • Compact design
  • Built in LED lights that illuminate the work surface
  • Durable


  • If not taken care of, the blade becomes loose very fast
  • If you purchase the tool without the battery kit, the saw comes in a bag rather than a rigid plastic case.
  • When you purchase the bare tool, you do not get the battery and the charger

>>> Click Here to see more Feature On Amazon<<<

Special note

This tool can help you with various home projects to cut hardwood, wire mold, fiberglass, and even cardboard. It is conveniently sized and comes with a battery LED indicator to show the power remaining. However, when you purchase this the hackzall alone, you are not given the battery and the charger. When you buy the battery, you also need to buy the charger.

In order for you to save money, it is wise to purchase the tool and battery kit which is much cheaper than purchasing them separately. When you buy the kit, you are also given an extra battery.

Frequently Asked Questions

Question: How does this compare with the 18V Hackzall 2625-20? What is more significant, the small size or extra power?

 Answer: Unless you plan on cutting 2×4’s with it, it has more than enough power. It cuts through drywall, copper pipe, PVC pipe, electrical box cutouts etc without any problems as long as you use the right blades. power will last most of any job you are doing and worst case buys and have a spare battery and you can work all day.

Question: Can battery be over charged if staying in charger over a day?

Answer: No, the charger has a full voltage cutoff. It also balances all cells within the battery pack. The charger stops the charging process, the light goes from red to green.

Question: Is this a brushless motor?

Answer: The above-reciprocating saw is not brushless. Milwaukee has come out with a new line called M12 FUEL and they are brushless.

 >>> See More Questions and Answers <<<

Final Verdict

Considering the product feature that comes with this reciprocating saw, we can comfortably say that this is a great product to add to your toolbox. The tool is easy to use and come with an extended warranty of three years that cover your tool for any manufacturer defects. If your saw malfunction within the three years of purchase the manufacturer will replace or repair the tool for you free of charge.

Leave a Comment