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Milwaukee 2783-20 M18 18V FUEL 4-1/2"/5" Braking Grinder (Tool Only)

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The world's first cordless braking grinder stops accessories in under 2 seconds, delivers the power of a corded grinder, and has up to 10X longer tool life. The 2783-20 M18 FUEL 4-1/2" / 5" Grinder supplies maximum sustained power to complete the toughest grinding, surface preparation and cutting applications. The POWERSTATE Brushless Motor provides up to 10X longer motor life and lower cost of ownership. The M18 REDLITHIUM XC5.0 Battery Pack delivers up to 4X more run time and 20% more power. The grinder features REDLINK PLUS Intelligence, the most advanced system of cordless power tool electronics, for maximum performance. A Rapid Stop Brake feature stops accessories in under 2 seconds.

  • Rapid Stop braking feature stops cutting disks in .9 seconds, flap disks in 1.3 seconds, and grinding dists in 1.5 seconds
  • POWERSTATE Brushless Motor: Delivers maximum power and up to 10X longer motor life
  • REDLINK PLUS Intelligence provides optimized performance, electronic clutch, and overload protection using total system communication between tool, battery and charger
  • REDLITHIUM XC 5.0 Battery Pack provides superior pack construction, electronics, and performance to deliver 2X more run-time and more work over pack life
  • POWER TO GRIND: World's first cordless braking grinder with corded performance.
  • DURABILITY: Same metal housing & gearing system as legendary high performance corded grinders
  • 100% tool free: Make all accessory changes and guard adjustments without a wrench for increased productivity
  • Variable Speed: Yes
  • Global Trade Number (GTIN): 00045242352142
  • Color / Finish: Red/Black
  • Handle Type: Barrel
  • Housing Material: Reinforced Fiberglass
  • Power Source: Electric - Cordless
  • Replaceable Brushes: No
  • Arbor Size: 5/8 in
  • UPC: 045242352142
  • Adjustable Handle Position: Yes
  • Cordless / Corded: Cordless
  • Spindle Lock: Yes
  • Product Storage Included: No Case Included
  • Maximum RPM: 8500.0
  • Wheel Diameter (in): 5.0
  • Side Handle: Yes
  • Length (in): 15.25
  • Grinding Wheel Included: No
  • Charger Included: No
  • Battery Voltage (V): 18
  • Grinder Switch Type: Paddle
  • Battery Composition: Lithium-Ion (Li-ion)
  • Grinder Type: Angle
  • Product Name: M18 FUEL™ 4-1/2 in. / 5 in. Braking Grinder
  • Net Tool Weight (lbs): 6.1
  • Product Type: Angle Grinder
  • Power Source: Battery
  • Voltage: 18 V
  • Number Of Batteries: 0
  • Battery Included: No
  • Battery Quantity Required: 1
  • No. Of Batteries Required: 1
  • No. Of Batteries Included: 21234
  • Manufacturer Warranty: 5 Years
  • Manufacturer Warranty: 5 Years
  • (Batteries and charger sold separately)
  • 1x FIXTEC Nut
  • 1x Milwaukee 2783-20 M18 FUEL 4-1/2" / 5" Braking Grinder (Tool Only)
  • 1x Flange Nut
  • 1x T1 Gaurd
  • 1x T27 Guard


This product may or may not cause Cancer and Reproductive Harm. www.P65Warnings.ca.gov

Rated 5 out of 5 by from Got me out of bind the other tool Co. Put me in. Was right in the middle of refrurbing a section of cantilever racks for move of family business and having to cut 1 1/16 anchor bolts off and the yello tool I was using went kaput on me while at home depot was talking with the store rep.and she explained the advantages of my new grinder and the other items I got with it while on sell I still have a smile on my face and those anchors didn't stand a chance eat them up in half the time as my old grinder.I was impressed with its performace and it didn't go unnoticed by our employees at our family owned business (1961)and have noticed a lot more red fuel showing up around the shop and less yellow.
Date published: 2019-09-21
Rated 1 out of 5 by from Five times & dead I have lots of Milwaukee 18v & 12v tools. That sad I have burned up two 18v Fuel grinders in 3 months. Typical cutting is on sheet metal for ductwork. The cut this grinder burnt out on was a cap stone for a retaining wall. 2inch thick cap. It did to even make the full cut. Awesome part is that's only the 5th cut it made and the rest were on sheet metal. Guess a corded grinder will have to go into the box cause cordless isn't cutting it. (Pun intended) love Milwaukee tools just can't afford to keep buying cordless grinders!
Date published: 2019-09-22
Rated 2 out of 5 by from I have 3, not satisfied with any of them I’m a welder/fabricator and have 3 of these. My first one has been sent in for repairs and doesn’t work like it did. Between the 2 new ones I have: 1 quits so frequently I don’t use it and the other one seems to ruin batteries I use with it. The fat grip and non-locking paddle switch make it near impossible to use for extended periods of time and I’m 6’5 with XXL hands. Not satisfied with any of them and won’t be buying or recommending this model grinder now or in the future.
Date published: 2019-08-13
Rated 5 out of 5 by from Fantastic Grinder This grinder has been a great addition to my tool arsenal. My corded grinders now live exclusively at my welding table, and the M18 grinder gets used for everything else. Cuts, grinds, sands, and polishes anything I need. Comfortable and very little vibration compared to cheaper grinders I've used. The brake is a nice safety measure, by the time I stop grinding/cutting and set it down the wheel has already stopped. And the Fixtec nut is brilliant, and should be standard on all grinders. Makes changing discs a breeze, and I never have to worry about losing a wrench. The only downside I can think of is that I wish there was a third threaded location for the handle on top of the tool, by the red arbor lock button.
Date published: 2019-09-12
Rated 5 out of 5 by from Works great, love the brake This grinder stays in the truck all the time. It’s great being able to do a few quick grinds without having to drag out an extension cord and find a outlet. It has plenty of power and the 5.0 battery has never ran out while I was in the middle of a project. tool-less disc change and guard adjustment saves so much time. The brake is also awesome, you don’t have to wait forever to put it down, let go of the trigger and it stops. Wish it could be locked on, but the other features far out way that it can’t be locked on.
Date published: 2019-08-10
Rated 5 out of 5 by from very nice angle grinder my first job with this grinder was cutting concrete so i could repair chimney brick pointing. i took two 5amp/hr batteries up with me as i do not like extra trips up and down a ladder. the one was sufficient for the job i had about 1.5 hrs cutting and had plenty of juice left if cutting was longer time wise. mortar was actually strong [not chalky] so the grinder power was amazing and i do like the disc brake feature saves time and increases personal safety. my corded grinder will now be a permanent fixture in my shop as i have confidence the fuel angle grinder has the power to get most jobs done! there are times when i need heavy duty big corded machines but they are even more rare with this fuel angle grinder. thanks for another great m18 tool added to my extensive collection!
Date published: 2021-08-28
Rated 5 out of 5 by from This grinder works better then a corded one Bought this grinder to do multiple different jobs from trimming cow hoofs to cutting steel to carving wood. It’s very balanced in your hand while using a 9ah battery. Runs extremely smooth and has an excellent stop time which is needed especially working with cow hoofs. Only thing that taken me abit to get used to is the trigger lock as it work backwards from previous models and different brands. It’s out preforms any Mikita and Dewalt cordless grinders. Love this tool and would recommend it to anyone
Date published: 2020-06-27
Rated 5 out of 5 by from Everyday use tool. We have several of these grinders on the job, and they get used nearly everyday. They make corded grinders cry. They REALLY work well with the 9.0 M18 batteries. We grind and use cut off wheels. Having to not fight a cord is amazing.
Date published: 2018-10-26
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