VERIFIED · 2026 canonical · www.jaspecs.com

Milwaukee M18 FUEL Braking Die Grinder, Slide Switch

Model number
2939-20

Cordless braking die grinder for deburring, weld cleanup, and metal finishing where a narrow body and quick accessory stop are more useful than a larger angle grinder. The provided scrape did not include dimensional details, but Milwaukee positions it as a slide-switch M18 FUEL die grinder.

identifiers stable · addressable
Model no.
2939-20
Brand
Milwaukee
Category
Grinder
Canonical URL
/milwaukee/grinder/2939-20-m18-fuel-braking-die-grinder-slide-switch/
13 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
Die Grinder
Voltage (V)
18
Motor Type
POWERSTATE Brushless
Piece Count
1
Battery Platform
M18 FUEL
Switch Type
Slide Switch
One Key Enabled
No
Warranty
5-year limited

§ What's Included

01 (1) M18 FUEL Braking Die Grinder, Slide Switch (2939-20)

§ Warranty

5-year limited

§ FAQ

Is the 2939-20 sold as a bare tool?

Yes. Battery and charger are sold separately.

What kind of switch does the 2939-20 use?

Milwaukee lists it as a slide-switch die grinder.

What is this tool best used for?

It is best for deburring, weld cleanup, and detailed metal-finishing work.