VERIFIED · 2026 canonical · www.jaspecs.com

Milwaukee M18 FUEL 4-1/2 in. - 6 in. Braking Grinder, Slide Switch, Lock-On

Model number
2981-20

Cordless 4-1/2 in. to 6 in. braking grinder for heavier metalworking jobs that benefit from a lock-on slide switch. Milwaukee lists a 12.45 in. length and 4.5 lb bare-tool weight.

identifiers stable · addressable
Model no.
2981-20
Brand
Milwaukee
Category
Grinder
Canonical URL
/milwaukee/grinder/2981-20-m18-fuel-4-1-2-in-6-in-braking-grinder-slide-switch-lock-on/
19 spec rows · each row is anchorable

§ Specifications

#specifications
Tool Only
Yes
Batteries Included
0
Charger Included
No
Cordless / Corded
Cordless
Power Source
Battery
Product Type
Braking Grinder
Voltage (V)
18
Motor Type
Brushless
Piece Count
1
Height (in.)
11.41
Length (in.)
12.45
Weight (lbs)
4.5
Width (in.)
7.08
Battery Platform
M18 FUEL
Disc Diameter In
6
Handle Type
Straight
Switch Type
Slide Switch Lock-On
One Key Enabled
No
Warranty
5-year limited

§ What's Included

01 (1) M18 FUEL 4-1/2 in. - 6 in. Braking Grinder, Slide Switch, Lock-On (2981-20)

§ Warranty

5-year limited

§ FAQ

Is the 2981-20 a bare tool in this catalog entry?

Yes. This JSON is configured as tool-only with no battery or charger.

What wheel size range does it cover?

Milwaukee groups it as a 4-1/2 in. to 6 in. grinder.

Why choose this model over the paddle version?

Choose it if you prefer a slide switch with lock-on for longer grinding passes.