Model # 2781-20

Internet #204410441

Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Grinder, Slide Switch Lock-On (Bare Tool)
0045242309399

Milwaukee

M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Grinder, Slide Switch Lock-On (Bare Tool)

  • FUEL™ technology provides chorded performance
  • Tool-free accessory change and adjustable guard
  • Part of the M18™ System, featuring over 125+ tools
$16900 /each
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Product Overview

  • FUEL™ technology provides chorded performance
  • Tool-free accessory change and adjustable guard
  • Part of the M18™ System, featuring over 125+ tools
The world’s first cordless grinder with corded performance utilizing a POWERSTATE Brushless Motor, the M18 FUEL 4-1/2 in. / 5 in. Grinder, Paddle Switch No-Lock, delivers maximum sustained power to complete the toughest grinding, surface prep and cutting applications. It provides a lower cost of ownership with up to 10 times longer motor life. REDLITHIUM XC4.0 Battery Technology provides superior pack construction, electronics and performance. It delivers double the run time and more work over pack life than any battery on the market. REDLINK PLUS Intelligence has the most advanced system of cordless power tool electronics, providing optimized performance, electronic clutch and overload protection using total system communication between tool, battery and charger. The thin body design delivers optimized balance to rest easily in the user's hands. It is a tool-free-tool; no wrench, no screwdriver, no problem. The tool-free accessory change lets you easily change all accessories without a wrench and a toll-free adjustable guard for quick guard installations and adjustments. The M18 FUEL 4-1/2 in. / 5 in. Grinder, Paddle Switch No-Lock proves corded durability in a cordless tool by utilizing the same metal housing, gearing system, guards, flanges and anti-vibration side handles as legendary high performance corded grinders.
  • POWERSTATE brushless motor: Increased cutting speed and power through the toughest applications
  • REDLINK PLUS intelligence: highest level of performance and guards against overload
  • REDLITHIUM battery technology: quality built to create the highest output of work and best performance
  • Milwaukee REDLITHIUM XC 4.0 battery can be recharged twice as much as standard lithium-ion batteries
  • Compatible chargers: M18 lithium-ion battery charger, M12 and M18 multi voltage charger, M18 AC/DC, M18 6 pack sequential charger
  • Part of the M18 system of 125+ tools
  • Slide switch: Reduces user fatigue
  • 100% tool free: Make all accessory changes and guard adjustments without a wrench for increased productivity
  • DURABILITY: Same metal housing & gearing system as legendary high performance corded grinders
  • POWER TO GRIND: World’s first cordless grinder with corded performance
  • POWERSTATE Brushless Motor: Delivers maximum power and up to 10X longer motor life
  • Click here for more information on Electronic Recycling Programs

Product Overview

  • FUEL™ technology provides chorded performance
  • Tool-free accessory change and adjustable guard
  • Part of the M18™ System, featuring over 125+ tools
Model #: 2781-20
Internet #: 204410441

The world’s first cordless grinder with corded performance utilizing a POWERSTATE Brushless Motor, the M18 FUEL 4-1/2 in. / 5 in. Grinder, Paddle Switch No-Lock, delivers maximum sustained power to complete the toughest grinding, surface prep and cutting applications. It provides a lower cost of ownership with up to 10 times longer motor life. REDLITHIUM XC4.0 Battery Technology provides superior pack construction, electronics and performance. It delivers double the run time and more work over pack life than any battery on the market. REDLINK PLUS Intelligence has the most advanced system of cordless power tool electronics, providing optimized performance, electronic clutch and overload protection using total system communication between tool, battery and charger. The thin body design delivers optimized balance to rest easily in the user's hands. It is a tool-free-tool; no wrench, no screwdriver, no problem. The tool-free accessory change lets you easily change all accessories without a wrench and a toll-free adjustable guard for quick guard installations and adjustments. The M18 FUEL 4-1/2 in. / 5 in. Grinder, Paddle Switch No-Lock proves corded durability in a cordless tool by utilizing the same metal housing, gearing system, guards, flanges and anti-vibration side handles as legendary high performance corded grinders.

  • POWERSTATE brushless motor: Increased cutting speed and power through the toughest applications
  • REDLINK PLUS intelligence: highest level of performance and guards against overload
  • REDLITHIUM battery technology: quality built to create the highest output of work and best performance
  • Milwaukee REDLITHIUM XC 4.0 battery can be recharged twice as much as standard lithium-ion batteries
  • Compatible chargers: M18 lithium-ion battery charger, M12 and M18 multi voltage charger, M18 AC/DC, M18 6 pack sequential charger
  • Part of the M18 system of 125+ tools
  • Slide switch: Reduces user fatigue
  • 100% tool free: Make all accessory changes and guard adjustments without a wrench for increased productivity
  • DURABILITY: Same metal housing & gearing system as legendary high performance corded grinders
  • POWER TO GRIND: World’s first cordless grinder with corded performance
  • POWERSTATE Brushless Motor: Delivers maximum power and up to 10X longer motor life
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Compare Similar

Price
Was $169.00
$149.00 /each
Save $20.00 (12%)
$169.00 /each
$219.00 /each
$349.00 /each
Name M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Grinder, Paddle Switch No-Lock (Bare Tool) M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Grinder, Slide Switch Lock-On (Bare Tool) M18 FUEL 18-Volt Lithium-Ion Cordless Brushless 4 1/2 in-5 in. Braking Grinder (Tool-Only) M18 18-Volt Lithium-Ion Cordless 4-1/2 in. Cut-Off Wheel and Grinder Kit with 2 Batteries
Brand Milwaukee Milwaukee Milwaukee Milwaukee
Ratings (65) (37) (16) (7)
Reconditioned No No No No
Amperage (amps) 0 0 0 0
Power Tool Features Brushless Adjustable Handle Position,Brushless,Lock On Switch,No Tool Wheel Change Brushless Bag Included
Cordless/ Corded Cordless Cordless Cordless Cordless
Wheel Diameter (in.) 4.5 in 4.5 in 4.5 4.5
Voltage (volts) 18 18 18 18
View Product View Product View Product View Product

Specifications

Dimensions

Product Depth (in.)
3.27
Product Height (in.)
8.58
Product Width (in.)
15
Wheel Diameter (in.)
4.5 in

Details

Amperage (amps)
0
Arbor Size
5/8-11
Batteries Included
No
Battery Amp Hours
0.0
Battery Power Type
Lithium Ion
Battery Size
Lithium Ion
Charger Included
No
Color Family
Red
Cordless Tool Type
Angle Grinder
Cordless/ Corded
Cordless
Electronic Speed Control
No
Grinder Switch Type
Sliding Switch
Grinding Wheel Included
No
Maximum Speed (rpm)
8500
Number of Batteries Included
0.0
Power Tool Features
Adjustable Handle Position,Brushless,Lock On Switch,No Tool Wheel Change
Product Weight (lb.)
5.8lb
Reconditioned
No
Returnable
90-Day
Spindle Lock
Yes
Tools Product Type
Power Tool
Variable Speed
No
Voltage (volts)
18

Warranty / Certifications

Certifications and Listings
1-UL Listed,CSA Listed,ETL Listed
Manufacturer Warranty
5 year tool

Specifications

Dimensions

Product Depth (in.)
3.27
Product Height (in.)
8.58
Product Width (in.)
15
Wheel Diameter (in.)
4.5 in

Details

Amperage (amps)
0
Arbor Size
5/8-11
Batteries Included
No
Battery Amp Hours
0.0
Battery Power Type
Lithium Ion
Battery Size
Lithium Ion
Charger Included
No
Color Family
Red
Cordless Tool Type
Angle Grinder
Cordless/ Corded
Cordless
Electronic Speed Control
No
Grinder Switch Type
Sliding Switch
Grinding Wheel Included
No
Maximum Speed (rpm)
8500
Number of Batteries Included
0.0
Power Tool Features
Adjustable Handle Position,Brushless,Lock On Switch,No Tool Wheel Change
Product Weight (lb.)
5.8lb
Reconditioned
No
Returnable
90-Day
Spindle Lock
Yes
Tools Product Type
Power Tool
Variable Speed
No
Voltage (volts)
18

Warranty / Certifications

Certifications and Listings
1-UL Listed,CSA Listed,ETL Listed
Manufacturer Warranty
5 year tool

Questions & Answers

can this grinder accept 7/8 arbor cutting wheels and grinding wheels? if not is there a adapter y...

can this grinder accept 7/8 arbor cutting wheels and grinding wheels? if not is there a adapter you can use or switch out the stock one?
Asked by: jbird7011
yes
Answered by: MasterFarrier123
Date published: 2017-05-28

I'm an electrician...don't know a lot about grinders. Do I want one with a "paddle switch" or one that "locks-on"?

Asked by: Edco
As an electrician, I use mine primarily for cutting, so chose the lock-on.
Answered by: Grogan14
Date published: 2017-05-09

Does it have a quit disconnect to change the blade

Asked by: Sal
No. The tool does not have a quick disconnect but does have a tool-less arbor.
Answered by: MilwaukeeElectric
Date published: 2015-12-18

Does this work with the Millwaukee dust control kit?

Asked by: Johnathan
Do not have a dust control kit, but do not think it would work. This is a very versatile tool, I use it a lot.
Answered by: MasterFarrier123
Date published: 2017-03-29
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Customer Reviews

M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Grinder, Slide Switch Lock-On (Bare Tool) is rated 4.9 out of 5 by 37.
Rated 5 out of 5 by from Only used it once so far. With a cutting disk, I cut through a small gauge railroad rail (about t... Only used it once so far. With a cutting disk, I cut through a small gauge railroad rail (about the size of a standard steel stake except much heavier) in seconds. I have a corded Milwaukee grinder also and I could not tell the difference in power output. I like this one. I like it a lot.
Date published: 2017-09-20
Rated 5 out of 5 by from Performs better than expected. I really can't tell much... Performs better than expected. I really can't tell much difference between the Milwaukee cordless grinder and my corded grinder. Battery life much better than expected also.
Date published: 2017-06-30
Rated 5 out of 5 by from Nice smooth cut Mostly I use a grinder for cutting tile and it has a smooth feel while it's cutting and u don't feel it loose power cut was so clean looked like a wet saw did it
Date published: 2017-05-02
Rated 5 out of 5 by from It's a Milwaukee nothing else compares to it. It's a Milwaukee nothing else compares to it.
Date published: 2017-06-06
Rated 4 out of 5 by from Love Milwaukee Tools - but. Hood guard marked "5(127mm)Type 1"out of box would not rotate smoothly on tool. I noticed that the assembly screws were not fully engaged and the guard plate was slightly bent. As I do no have time to waste on returns and have capable machining skills, I disassembled guard from ring (5 screws) and straightened guard plate in vice and replaced a bent trigger spring and reassembled; works smooth now. I have purchased over a dozen Milwaukee Electric tools over 35 years; all are still in use and nearly indestructible, this is the first time to have a minor issue right out of the box. Otherwise a valuable tool.
Date published: 2016-11-04
Rated 5 out of 5 by from Nothing but the best M-18 Brushless grinder ever! I order this M-18 Brushless Grinder. Hands down!! best grinder on the market!!. I Did my research, and No joke when they said it would be compatible to a corded unit.
Date published: 2013-10-25
Rated 5 out of 5 by from Best Available Cordless Grinder I was very excited to discover Milwaukee is now offering their cordless saws and grinders in the M18 Fuel Line of tools. The Milwaukee 2781-20 is my first cordless grinder, and I have been very impressed with it’s performance and features. The Milwaukee 2781 Grinder has a very compact design, yet the ergonomics are excellent and it has very low vibration when using the tool. The new brushless motor provides plenty of power and extended battery use. The unit comes with a Type 27 Wheel Guard (for grinding), and more importantly a Type 1 (enclosed) Wheel Guard, which is mandatory for using flat metal cutting wheels. The wheel guards have 5 adjustment settings (tooless), and the slide switch has a cruise control setting. I highly recommend the new Milwaukee 2781 for anyone in the market for a cordless grinder, and appreciates having the best available technology. You will not be disappointed.
Date published: 2013-10-28
Rated 5 out of 5 by from Excellent tool For the purpose of a cordless grinder this tool is amazing. It's lightweight, powerful, and easy to operate. The guard adustment/removal is quick, easy and tool free. It's well balanced for one-handed operation, with the slide lock feature. As always the quality you get from Milwaukee is industry standard, and with a 5 year warranty compared to a 3 year, there's now much else to say.
Date published: 2016-12-27
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