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Milwaukee 2780-20 M18 Fuel 4-1/2"/5" Pad, Bare

4.8 4.8 out of 5 stars 3,193 ratings

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Purchase options and add-ons

Brand Milwaukee
Material Polymer
Product Dimensions 12.9"L x 7.6"W x 2.3"H
Style Cordless
Power Source electric-powered

About this item

  • 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 XC5.0 Battery Pack (not included) 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 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
  • Paddle-switch design: Provides increased comfort and ease-of-use when operating in various positions
See more product details

Customer ratings by feature

Portability
4.7 4.7
Ergonomic
4.6 4.6
Value for money
4.5 4.5
Battery life
4.4 4.4

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This Item
Milwaukee 2780-20 M18 Fuel 4-1/2"/5" Pad, Bare
Milwaukee 2780-20 M18 Fuel 4-1/2"/5" Pad, Bare
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Price$139.95$155.00-24% $329.00
List:$434.99
-40% $129.99
List:$214.95
$129.95-14% $180.50
Typical:$209.00
Delivery
Get it as soon as Sunday, Mar 31
Get it Apr 2 - 3
Get it Mar 29 - Apr 2
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Portability
4.7
5.0
4.7
4.8
4.4
Ergonomic
4.6
4.8
4.7
4.8
4.4
Battery life
4.4
4.6
4.6
4.6
4.3
Sold By
Amsterdam Depot
MARK'S DEALS
Jeff’s garage
A&J Hardware
JC Weller
BUDORA DIRECT
power source
electric-powered
Cordless
Battery Powered
Battery Powered
Battery Powered
Battery Powered
max rotational speed
8500 rpm
8500 rpm
8500 rpm
voltage
0 volts
18 volts
18 volts
18 volts
18 volts
18 volts
style
Cordless
Angled
Hammerdrill
Hammerdrill
Angled
Hammerdrill
weight
5.38 pounds
4.99 pounds
5.3 pounds
1.2 pounds

From the manufacturer

About Us

Since the company began in 1924, Milwaukee Tool has led the industry in developing innovative solutions that deliver increased productivity and unmatched durability for professional construction users. We invest the time to work side-by-side with real users to understand the demands of a constantly changing workplace and how we can deliver solutions for a safer, more productive jobsite. Through a thorough evaluation of the job at hand – the frustrations, needs, and previous limitations – we set out to completely rethink a solution and deliver the game-changing innovation seen across all our product lines. Milwaukee Tool is not simply a manufacturer – we are progressive problem solvers.

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Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Milwaukee 2780-20 M18 Fuel 4-1/2"/5" Pad, Bare


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Product Description

The world’s first cordless grinder delivers the power of a corded grinder with up to 2X more run time and up to 10X longer motor life. The 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 (not included) 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. The 18-volt lithium-ion grinder’s thin body design gives it optimized balance to rest easily in your hands. Tool-free accessory changes and guard adjustments mean less downtime during work. The grinder is built with the same tool body, gearing system and anti-vibration side handle as Milwaukee’s legendary high-performance corded grinders for maximum durability on the job. Grinding wheel sold separately.

Important information

Wattage

0 watts

Bulb Voltage

0 volts

Customer reviews

4.8 out of 5 stars
4.8 out of 5
3,193 global ratings

Customers say

Customers are happy with the quality, value, and ease of use of the disc grinder tool. They mention that it works exceptionally well, is great value for the money, and is easy to control. Some are happy about comfort. That said, opinions are mixed on battery life and speed.

AI-generated from the text of customer reviews

164 customers mention161 positive3 negative

Customers are satisfied with the quality of the disc grinder tool. They mention that it works exceptionally well, holds up, and does not overheat so fast. Some say that the tool is good for some quick jobs in the field. That said, most are happy with their purchase and recommend it to others.

"Works great" Read more

"...The brake feature works well and stops the wheel in a couple seconds or less. The tool is comfortable in the hand and vibrates very little...." Read more

"Good tool and a decent price and I didn't have to wonder around the big box store trying to find someone that can find a key to the tool cabinet to..." Read more

"...Anyways it works perfect. This is not some kind of knock off tool. I was worried that it was when I saw the price but it is what it says it is." Read more

23 customers mention16 positive7 negative

Customers are mixed about the speed of the disc grinder tool. Some mention that it's very fast, great for fast jobs, and light work, while others say that it does not have enough speed, very low rpms, or power for grinding or cutoff.

"...The Milwaukee spins up quick and smooth and does so really quietly...." Read more

"lower power and speed then I expected" Read more

"...For now, I'm pretty disappointed with the speed and the power of the grinder...." Read more

"The portability is next to none. Quick connect for the disc s is a plus...." Read more

23 customers mention23 positive0 negative

Customers appreciate the disc grinder for its value. They say it is a good buy and well worth the money.

"Good tool and a decent price and I didn't have to wonder around the big box store trying to find someone that can find a key to the tool cabinet to..." Read more

"...I use it daily. This thing is wonderful. Price is great, and coupled with the 9 ah battery, is way more versatile than the corded units...." Read more

"Took is powerful. Definitely cheaper than buying at Home Depot or any hardware store." Read more

"Tough/Well BuiltWorth the money!!!" Read more

18 customers mention15 positive3 negative

Customers find the disc grinder tool easy to use and convenient. They mention it's great for quick tasks, and is portable. Customers also appreciate the quick connect for the disc.

"I've used a lot of angle grinders, and i'm shocked at how easy this one is to control...." Read more

"I use the grinder with a diamond blade and it is quick and easy. I switch over to metal and Make my cuts without pulling an extention cord...." Read more

"...Break as quick as welder so would like but for my job it is light, easy to use and I don't have any problem with the guard." Read more

"Easy to use and well balanced with the weight of a 5.0 battery. Cuts well. Great value for the money" Read more

15 customers mention12 positive3 negative

Customers like the comfort of the disc grinder tool. They say it feels great in the hands, seems ergonomically ok, and the grip feels nice. Some mention that the paddle switch doesn't cramp their hands and that the side handle is very ergonomic.

"...The tool is comfortable in the hand and vibrates very little...." Read more

"...The Milwaukee spins up quick and smooth and does so really quietly...." Read more

"...sucks because it's so small and at an extreme angle, but the handle is ergonomical and the grinder has good balance with an XP 3.0...." Read more

"...a little more powerful.. I’m not complaining.. unit itself is comfortable to hold and seems ergonomically ok.. grip posture could be better,, but..." Read more

33 customers mention19 positive14 negative

Customers are mixed about the battery life of the disc grinder tool. Some mention that it has decent power and battery life, while others say that it uses a lot of battery power and is a battery killer.

"Works good for some quick jobs in the field. Eats thru batteries, I had a XC 6.0 in it. Trying an 8.0 next!..." Read more

"...The bad: it eats batteries even faster than expected. It will drain a 5 amp hour battery in maybe 10 minutes of near continuous use...." Read more

"Good tool, Trigger interlock is a bit funky. Battery eater, but it takes a lot of energy to make cuts. Large battery recommended" Read more

"...Eats batteries pretty fast. Another thing I don’t like too much is the safety latch on the trigger...." Read more

It does the job...
5 Stars
It does the job...
Really enjoy using this tool...does the job when needed...only draw back is the safety guard...its quite large did slight modification to it...for those kick backs...need to keep them fingers safe...and I do wear my PPE at all times.
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Top reviews from other countries

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Carlos Alcibar López
5.0 out of 5 stars Compra segura y en buen estado
Reviewed in Mexico on June 29, 2023
Curtis
5.0 out of 5 stars Works as it should
Reviewed in Canada on December 15, 2022
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David M
5.0 out of 5 stars Handy and convenient.
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