Skip to main content
Accessibility StatementRead more
DEWALT logo with yellow text on a black background.
DCM849B

20V MAX* XR® Cordless 7-in. (180mm) Variable Speed Rotary Polisher (Tool Only)

A DEWALT 20V XR cordless brushless polisher, shown in yellow and black colors, with a detachable battery slot and a round polishing pad.

Reviews

Explore More Options

Current Option

Product details

Complete a wide range of automotive jobs including headlights, windshield, fiber glass, gelcoat, and Other glass-polishing applications with the 20V MAX* XR® 7 in. Cordless variable-speed rotary polisher. Featuring a high-efficiency brushless motor that delivers a no-load speed of 800-2,200 RPM and a variable speed trigger, this versatile tool maximizes control on the jobsite. Battery & charger sold separately

  • Brushless motor for efficient performance and runtime
  • 7 in. Backing plate recommended for most applications
  • No-load speed of 800-2200 RPM for all types of applications
  • Variable speed on the trigger and dial helps to better control the tool during every step of the application
  • Rubber gear case overmold reduces surface imperfections and improves gripping surface
  • Can be held via the front grip or side handle

Product Type
Polisher
Voltage
20V
Cordless or Corded
Cordless
Power Source
Battery
Tool Only
Yes

  • (1) 20V MAX* XR Cordless 7-Inch (180mm) Variable Speed Polisher
  • (1) Backing Plate
  • (1) Side Handle
  • (1) Bail Handle

  • 3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed

* * Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.

Downloads and manuals

Instruction Manual, Type 1
N696391_DCM849.pdf
PDF
Exploded Diagram, Type 1
EA025869.gif
GIF

Related products & accessories

Performance redefined™

Expect excellence. Accept nothing less.

With innovative features designed to help elevate your experience, the next generation of DEWALT XR® tools offer certainty for the pro who demands excellence. From carpentry to concrete, explore a wide range of 20V MAX* XR® tools engineered specifically for your trade.

A person wearing gloves and a hat is using a Dewalt cordless power tool to drill or impact a wooden frame inside a construction site, with sawdust flying around.
A person using a DEWALT cordless reciprocating saw to cut through a metal pipe. The tool has a yellow and black design and is powered by a 20V XR battery.
A person using a DEWALT DCS590B cordless circular saw to cut a wooden plank outdoors. Sawdust is visible as the tool operates on the construction site.

Experience power

See the difference enhanced ergonomics†, brushless motors, and improved durability** can make with 20V MAX* XR®.

A person using a DEWALT DCS590B cordless circular saw to cut a wooden plank outdoors. Sawdust is visible as the tool operates on the construction site.
Graphic with a yellow background stating 'BATTERY AND CHARGER NOT INCLUDED' in bold black and white text.

Bare tool notice

This item does not include a battery or charger. Compatible batteries and accessories can be found within the 20V MAX* XR® system.

Performance redefined™

Our best performing 20V MAX* batteries & power tools**

Built to deliver confidence for the world's toughest pros, the next generation of 20V MAX* XR® keeps you a step ahead. From specifically engineered tools to innovative battery technologies, DEWALT XR® is a badge of honor only presented to products proven to perform at the highest level.

Two DEWALT XR lithium-ion power tool batteries, one 20V 5Ah and one 20V 8Ah, are shown on a workbench in an industrial setting.