VERIFIED · 2026 canonical · www.jaspecs.com

Milwaukee M12 FUEL HACKZALL Reciprocating Saw Kit

Model number
2520-21

The Milwaukee M12 FUEL HACKZALL Reciprocating Saw Kit packages Milwaukee's compact 12V one-handed recip saw with the basic accessories needed to get started on the M12 platform. The local source page for this kit is unavailable, but the tool platform aligns with the 2520-20 and keeps the same compact HACKZALL format intended for tight spaces and overhead cutting. Compared with the tool-only model, this kit is the better fit for buyers who need a battery and charger included rather than already owning M12 power packs. It is positioned as a lighter-duty, more compact alternative to Milwaukee's M18 HACKZALL and full-size SAWZALL options.

identifiers stable · addressable
Model no.
2520-21
Brand
Milwaukee
Category
Reciprocating Saw
Canonical URL
/milwaukee/reciprocating-saw/2520-21-m12-fuel-hackzall-reciprocating-saw-kit/
18 spec rows · each row is anchorable

§ Specifications

#specifications
Product Type
Reciprocating Saw
Voltage (V)
12
Cordless / Corded
Cordless
Power Source
Battery
Motor Type
POWERSTATE Brushless
Tool Only
No
Batteries Included
1
Charger Included
Yes
Piece Count
4
Height (in.)
7
Length (in.)
11
Weight (lbs)
3.2
Width (in.)
2.75
Battery Platform
M12 FUEL
Variable Speed
No
Hammer Function
No
One Key Enabled
No
Warranty
5-year limited (tool)

§ What's Included

01 (1) M12 FUEL HACKZALL Recip Saw (2520-20)
02 (1) M12 REDLITHIUM XC Battery Pack
03 (1) M12 Battery Charger
04 (1) Contractor Bag

§ Warranty

5-year limited (tool)

§ FAQ

What is the difference between the 2520-21 and 2520-20?

The 2520-21 is the kit version, while the 2520-20 is tool-only. The kit is intended for buyers who need a battery and charger included.

How many batteries come with the 2520-21?

This kit is configured as a one-battery package. It also includes a charger, unlike the bare-tool version.

Is the 2520-21 still a one-handed recip saw?

Yes. It uses the same M12 FUEL HACKZALL platform as the 2520-20, which is built around compact one-handed use and tight-space access.

How compact is the 2520-21 saw?

Using the shared 2520 tool platform, Milwaukee lists the saw at 11 in. long, 7 in. high, 2.75 in. wide, and 3.2 lb. That makes it easy to manage for overhead and service work.

Is the 2520-21 part of the M12 FUEL platform?

Yes. It is an M12 FUEL kit built around Milwaukee's compact 12V HACKZALL platform and compatible with M12 batteries.

Who is the 2520-21 best for?

It is best for buyers who want a compact Milwaukee recip saw and are not already invested in M12 batteries. The kit format makes it easier to start using the tool immediately.