VERIFIED · 2026 canonical · www.jaspecs.com

Milwaukee M18 FUEL 4-1/2 in. / 5 in. Variable Speed Braking Grinder, Slide Switch Lock-On

Model number
2889-20

Cordless variable-speed grinder for fabrication and finish work that benefits from lock-on operation and electronic braking. Milwaukee lists a 13.18 in. length and 3.16 lb bare-tool weight.

identifiers stable · addressable
Model no.
2889-20
Brand
Milwaukee
Category
Grinder
Canonical URL
/milwaukee/grinder/2889-20-m18-fuel-4-1-2-in-5-in-variable-speed-braking-grinder-slide-switch-lock-on/
18 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
Variable Speed Grinder
Voltage (V)
18
Motor Type
Brushless
Piece Count
1
Height (in.)
4.37
Length (in.)
13.18
Weight (lbs)
3.16
Width (in.)
2.76
Battery Platform
M18 FUEL
Disc Diameter In
5
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. / 5 in. Variable Speed Braking Grinder, Slide Switch Lock-On (2889-20)

§ Warranty

5-year limited

§ FAQ

Is the 2889-20 a tool-only model?

Yes. It does not include a battery or charger.

What switch style does this grinder use?

It uses a slide switch with lock-on.

What kind of work is it best for?

It fits metalworking users who want variable-speed control plus a lock-on switch for longer grinding sessions.