Milwaukee 2821-20 M18 FUEL SAWZALL Review
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The Milwaukee M18 FUEL SAWZALL 2821-20 is a cordless reciprocating saw sold as a bare tool. HVAC techs use one for cutting pipe, hangers, strap and framing during removals and installs. This review covers the specs and who it suits.
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Specs at a glance
Best for: Cutting pipe, hangers and framing during removals and installs.
- 1-1/4 in stroke; 0 to 3,000 SPM
- 6.8 lb; 17.1 in long
- POWERSTATE brushless motor; QUIK-LOK keyless blade clamp
- REDLINK Plus overload protection; LED work light; hang hook
- 5 year limited warranty; battery and charger not included
Why it stands out
- Keyless blade clamp
- LED light and hang hook
- 5 year warranty
Keep in mind
- Sold as a bare tool
- 6.8 lb is heavy for overhead work
What the specs say
- Stroke and speed. 1-1/4 in stroke and 0 to 3,000 SPM.
- Size. 6.8 lb and 17.1 in long, according to a distributor page.
- Motor. POWERSTATE brushless motor.
- Blade clamp. QUIK-LOK keyless clamp.
- Protection. REDLINK Plus overload protection.
- Extras. LED work light and a hang hook.
- Warranty. Five year limited, with the battery and charger not included.
Where it falls short
Techs and installers who already run M18 batteries and need to cut through pipe, hangers and framing in a tear-out. If you carry an impact driver on another platform, check whether a second battery system is worth it. Choose blades for the material, and wear eye protection for any cutting.
Using it safely
Keep the shoe firmly against the work, let the blade stop before you set the saw down, and check for hidden wiring and pipe before you cut into a wall or ceiling. Follow Milwaukee’s manual for blade installation and use.
Choosing blades for the job
A reciprocating saw is only as good as its blade. Fine-tooth blades cut metal pipe, strap and hangers, and coarser teeth cut wood. Demolition blades are made to cut through nails when you open up framing. A longer blade reaches farther but flexes more. Match the blade to the material and the thickness, replace it when it dulls and keep the shoe tight against the work so the saw does not jump. With a keyless clamp such as the QUIK-LOK listed on this saw, a swap takes seconds, so change the blade when the material changes.
Batteries and runtime
Because the 2821-20 ships as a bare tool, runtime depends on the pack you attach. A larger pack runs longer and weighs more, which matters with a 6.8 lb saw held overhead. Carry a spare charged pack for a tear-out day, and let packs cool before charging after heavy cutting. Milwaukee’s REDLINK Plus system protects the tool and battery from overload, according to the listing, but it does not replace good technique. Keep the blade sharp and avoid forcing the cut, since a dull blade makes the motor work harder and drains the battery faster.
Alternatives if you are not on M18
If your truck runs another battery platform, the better saw is usually the one made for it, since batteries and chargers cost more than the saw. Most major cordless brands sell a reciprocating saw with a keyless clamp and a work light. Compare stroke length, weight and warranty, as we did for impact drivers. Check each maker’s current lineup before you choose.
Frequently asked questions
Does the Milwaukee 2821-20 include a battery?
No. It is sold as a bare tool, and the battery and charger are not included.
How heavy is the 2821-20?
A distributor page lists 6.8 lb and 17.1 in long.
How long is the warranty?
A five year limited warranty, according to the distributor page.
Keep reading
Sources
Specifications and product details were checked against these sources:
