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Milwaukee 2420-22 12-Volt Hackzall Saw Kit

46 customer reviews

List Price: $331.62
Price: $149.00 & FREE Shipping. Details
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  • 12V LITHIUM-ION battery offers longer run-time and fade-free performance
  • Keyless QUIK-LOK Blade Clamp allows for quick and easy blade changes and All-metal gear case for added durability
  • Variable speed trigger for increased user control
  • Battery fuel gauge displays remaining run-time and Built-In LED light illuminates work surface
  • Accepts both HACKZALL and SAWZALL style blades
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Frequently Bought Together

Milwaukee 2420-22 12-Volt Hackzall Saw Kit + Milwaukee 49-22-0220 10-Piece General Purpose Hackzall Blade Set
Price for both: $167.54

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Product Description

Product Description

Untitled Document

At 2.6 pounds, the M12 Hackzall reduces strain and eases one-handed operation.

Milwaukee's M12 Hackzall Recip Saw is the lead dog in the forward-thinking M12 LITHIUM-ION Cordless System from Milwaukee. This revolutionary tool dynamically saws with incredible precision and power, significantly surpassing its rivals. With an incredible range of applications, the M12 Hackzall lets you saw without strain in some of the tightest locations. The M12 Hackzall is 65% lighter and 35% shorter than other multipurpose saws, yet has the HEAVY-DUTY toughness and power you expect from Milwaukee.

Examples of innovation include QUIK-LOK™ Blade Clamp, more than 80 Cuts in 1-1/2" PVC and cuts more than 90 feet of 1/2" drywall.

The M12 Hackzall Recip Saw is smaller, lighter and more versatile than anything in its class. Weighing in at a mere 2.6 pounds and only 11" long, the M12 Hackzall enables precision cutting in the tightest, once-unreachable places.

The M12 Hackzall is only 11" long enabling cutting in tight places.

Features, Benefits & Applications
Milwaukee has outdone itself again. The M12 Hackzall has a 1/2" stroke length for greater control in tight spaces, 0-3,000 SPM for fast cutting, sealed all-metal mechanism for increased durability and a unique built-in LED for illuminating cutting area. Compact, powerful and durable, it is the secret weapon behind precision cutting.

The M12 Hackzall features enable consistent one-handed operation, ideal performance through the toughest materials and extreme durability able to withstand jobsite use and abuse.

The Milwaukee M12 Hackzall is perfect for wood, metal, drywall, PVC rough out and finish, closet bolts, threaded rod sizing and trimming, insulation, EMT and Fiberglass.

Milwaukee LITHIUM-ION Battery
Milwaukee is the leader in LITHIUM-ION technology, launching the first Li-Ion System in 2005 and the first backward compatible Li-Ion in 2006. Perfecting the formula in 2008, Milwaukee's LITHIUM-ION batteries are 65% lighter, 50% smaller and store more than 30% more power than "compact" NiCd batteries. They also feature a Fuel Gauge that lets you know when to recharge, making it faster and easier to scope projects and decrease downtime.

To combat on-site problems like bent/broken terminals, damaged clips and broken welds caused by use and abuse, Milwaukee LITHIUM-ION batteries are equipped with recessed terminals, slide pack dual clips and over-molded housing, and integrated welded frame and cell separators.

About Milwaukee Tool
Milwaukee Electric Tool Corporation, a Brookfield, Wisconsin-based subsidiary of Techtronic Industries Co. Ltd. (TTI) (HKEx stock code: 669, ADR symbol: TTNDY), is an industry leading manufacturer and marketer of professional and industrial heavy-duty portable corded and cordless power tools, accessories and safety equipment. Products include the legendary Sawzall® recip saws, V28™ and V18™ lithium-ion cordless tools, Hole-Hawg® drills, portable band saws, circular saws, driver drills, hammer drills, rotary hammers, pneumatic nailers, grinders, sanders and the new Trade Titan™ series of heavy-duty work carts and accessories.

For more information on the full line of Milwaukee power tools and accessories, please call 1-800-SAWDUST or visit

What's in the Box
M12 Hackzall, (2) 12V LITHIUM-ION Batteries Packs, 12V Charger, (2) Hackzall Blades, Carrying Case

Product Description
Milwaukee 2420-22 M12 LITHIUM-ION Cordless Hackzall with QUIK-LOK Blade Clamp

From the Manufacturer

Milwaukee Electric Tool Corporation introduces a new industry first – the M12 HACKZALLTM Reciprocating Saw, a compact, lightweight saw designed for powerful, versatile cutting in tight spaces for virtually all tradesman as they tackle plumbing, electrical, remodeling and HVAC applications. Featuring a 12-volt LITHIUM-ION battery, the HACKZALL cuts over 80 pieces of 1½-inch PVC on a single charge. The 2420 delivers a ½-inch stroke 3,000 times per minute for a smooth yet aggressive cut, and utilizes a keyless QUIK-LOKTM blade clamp to ensure quick and easy blade changes. The lightweight design offers less user fatigue as well as one-handed operation. Compact design makes it easier for users to access tight spaces or awkward angles. The HACKZALL features a variable speed trigger that provides increased user control and all-metal gear case and gears that live up to Milwaukee’s legendary durability. Additional features include a Built-in LED Light and Battery Fuel Gauge that displays the remaining run- time. Backed by Milwaukee’s 5-Year tool warranty and 2-Year battery warranty, the 2420-22 comes with two 12V LITHIUM-ION batteries, 30-Minute charger, 2 HACKSAW blades and carrying case.

Product Information

Technical Details
Part Number 2420-22
Product Dimensions17.6 x 12.3 x 4.9 inches
Item model number2420-22
Power Sourcebattery-powered
Item Package Quantity1
Included Componentscase
Batteries Included?Yes
Batteries Required?Yes
Warranty Description5 Years
Additional Information
Best Sellers Rank #204,675 in Home Improvement (See top 100)
Shipping Weight8.1 pounds (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableSeptember 14, 2004
Warranty & Support

Product Warranty: For warranty information about this product, please click here

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

70 of 74 people found the following review helpful By qadsan on December 8, 2008
I bought into the Milwaukee M12 line of tools including the Hackzall, Inspector, Drill/Driver, Impact and Pipe Cutter. There were a number of features that sold me on these tools including ergonomics, product selection using this same battery, battery life indicator, LED illumination, 5 year warranty, opinions from other reviews, first hand testing, etc. Another guy I've worked with has a Hackzall and I've personally seen it dropped off counters, ladders and trash cans. This guy is a bit careless and is unnecessarily tough on his tools, but his Hackzall continues to work well and nothing was ever bent or broken on it from the far.

Based on my experiences, the Hackzall can easily be used one handed for cutting softer or thin materials, but I prefer to keep my right hand on the trigger/grip while resting my left hand across the top to provide more control, especially when cutting thicker and harder materials. The Hackzall is a useful tool for tight places and it easily cuts copper pipe, 2x4's, EMT, drywall, fiberglass, etc, pretty well as long as what you're cutting is not too wide (less than a couple inches and the thinner the better). Milwaukee has its own line of Hackzall blades that are recommended for this saw, but all the regular Sawzall blades will work in this as well. However, longer blades have a tendency to jump around on this saw quite a bit more than I'm used to with my other larger reciprocating saws (Dewalt, Hitachi, etc).

I was hoping to also use this tool to cut extruded aluminum tub / shower rails among other similar tasks and while it can do this task, it doesn't do it very well for me. There's just too much vibration to get quick clean accurate cuts unless the work piece is securely clamped under more ideal conditions.
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28 of 29 people found the following review helpful By kompewterz on November 7, 2008
Milwaukee quality in a tiny package. Very strong motor, almost as much power as my full-size 18V Ridgid cordless recip saw. Cuts copper pipe and PVC just as fast. If you look at the pictures above, you can see how it compares in size to my Milwaukee 6521-21. Cutting a 2x4 twice, a 3" PVC pipe, a piece of 1/2" rebar, a piece of 3/8" all-thread, ten cuts in 1 1/2" PVC, a bar of 1/2" thick brass 1" wide, and ten cuts in 1/2" copper caused the battery to drop one of four lights. It does cut faster with the Hackzall blades because they are a thinner kerf, but they aren't flimsy at all. It weighs roughly five pounds. As a service plumber, I can tell you this will make some of my jobs a lot easier, safer, and faster.
UPDATE: 5/16/12 - I still have this and use it several times a week. It has been repaired under warranty twice - my fault, I got it soaked both times. It takes a lot of abuse. The battery indicator quit working a while back and bits of the rubber overmold have fallen off, the labels are shot and you can barely read milwaukee on the side, but it still works. I bought an xc battery for the m12 radio and it breaths new life into this saw. It lasts twice as long as the original battery, which should be no surprise the battery is twice the capacity. That 18v Ridgid saw I mentioned earlier gave it up, before this did. It's not going to replace your corded or cordless saw, but it's a great saw to have for the little stuff - 3" and less. When it finally dies and cost more than half of a new one to get repaired, I won't hesitate to buy it again and keep the old one for parts.
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15 of 16 people found the following review helpful By J. Segreti on November 24, 2008
Verified Purchase
I have been using this hackzall for about 2 weeks and am finding more uses for it every day !! It's typical Milwaukee quality, seems like it's built to last. You will not be satisfied with this saw if you don't use it for it's intended purpose, just remember it's NOT A FULL SIZE SAWZALL !!!!! It has a specific application, and it does it flawlessly !!!!! I LUV THIS LITTLE WORKHORSE, AND THE BATTERY LASTS FOREVER. This hackzall is not a must have ... it's a NICE TO HAVE.
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10 of 10 people found the following review helpful By dwillywonka on January 4, 2009
Verified Purchase
Milwaukee 2420-22 12-Volt Hackzall Saw Kit
Although this will not replace my Delta Sawzall in the shop, in the garden it is invaluable for cutting 5" or less branches. Used in combination with the Skill "The Ugly" reciprocating saw blades, this saw cuts through branches and roots like butter! The 12v Rechargeable Ion batteries lasts a very long time and the ergonomic design of the saw enable the saw to be used easily with one hand. Its compact size allows for use in very tight places. I highly recommend this for any serious home gardner!
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8 of 8 people found the following review helpful By Reppen on January 7, 2009
Verified Purchase
It's more powerful and cuts smoother than a crappy B&D full-sized recip saw I got as a gift. Not that that's saying much.

Vibration IS pretty crazy at top speed but with this much power and portability, something had to give and it certainly wasn't the quality or construction of the tool. Fortunately it's not a continuous thing. At lower speeds it's quite stable but around 75% on the trigger it starts to shake a bit and I'm not sure I'd feel comfortable using anything but two hands on it at top speed. I don't think I'd like it for repetitive use at top speed for long periods of time, but that's not really the kind of work this tool is meant for.

So basically, if you want a finer cut, or decent control when cutting one-handed, you'll have to take it down a notch. If all you care about is making two pieces where there was once one ASAP, however, the option to go full bore is there and it cuts faster than I had hoped at this speed and still smoother than the B&D. I've used it do a plunge cut through an inch of pine and I'm looking forward to trying out the wood scrolling blades when I get the chance since I can't really afford a jigsaw at the moment and the cuts seem pretty smooth at lower speeds.

Which is the only really negative point for me. I like it just a little bit too much to give it up but I didn't really need it. I'm psyched to get that impact driver via the rebate and I love my subcompact drill/driver but as incredibly handy as it will come when I actually do have a use for it, there's other tools that would have been a better choice for me personally. That's more of a knock against me than the tool though and I suspect I'll feel less ambivalent when I start my first rehabbing project.
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