Model # 2680-20

Internet #202196580

Store SKU #276333

Milwaukee M18 18-Volt Lithium-Ion 4-1/2 in. Cordless Cut-Off/Grinder (Tool-Only)
0045242158799

Milwaukee

M18 18-Volt Lithium-Ion 4-1/2 in. Cordless Cut-Off/Grinder (Tool-Only)

  • 4-pole frameless motor for longer life, more power and run time
  • Paddle switch for comfort when operating
  • Part of the M18™ System, featuring over 125+ tools
$119.00 /each

Frequently Bought Together

Product Overview

The Milwaukee M18 Cordless Lithium-Ion 4-1/2 in. Cut-Off/Grinder provides speed, durability and ease of use. Built with a 4-pole motor, it delivers significant power when cutting or grinding, turning out a robust 9000 RPM. It's the only cordless grinder on the market with the preferred paddle switch for comfort when operating in a variety of positions. L-shaped intake vents protect the tool by keeping harmful debris from entering and damaging internal components.

  • Includes: 2680-20 M18 cordless lithium-ion 4-1/2 in. cut-off/grinder, side handle
  • 18-Volt, 4-pole motor brings speed, durability and ease of use to industrial applications, offers a robust 9000 RPM
  • Tool-free, burst-resistant guard allows easy adjustments
  • Overload protection prevents damage to the tool and battery
  • L-shaped intake vents protect the tool by keeping harmful debris from entering and damaging internal components
  • Paddle switch minimizes operator fatigue
  • CSA, ETL and UL listed
  • Compatible 18-Volt batteries: compact 1.5 Ah (48-11-1815), compact 2 Ah (48-11-1820), extra capacity 3 Ah (48-11-1828), extended capacity 4 Ah (48-11-1840)
  • Compatible chargers: M18/M12 multi-voltage (48-59-1812), M18 AC/DC (2710-20)
  • Protected by a 5-year limited Milwaukee warranty
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name M18 18-Volt Lithium-Ion 4-1/2 in. Cordless Cut-Off/Grinder (Tool-Only) 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)
Brand Milwaukee Milwaukee Milwaukee Milwaukee
Ratings (262) (25) (27) (8)
Cordless/ Corded Cordless Cordless Cordless Cordless
Wheel Diameter (in.) 4.5 4.5 in 4.5 in 4.5
Power Tool Features No Additional Features Brushless Brushless Brushless
Amperage (amps) 0 0 0 0
Reconditioned No No No No
Voltage (volts) 18 18 18 18
Batteries Included No No No No
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Customer Questions & Answers

9 Questions26 Answers

Customer Questions & Answers

M18 18-Volt Lithium-Ion 4-1/2 in. Cordless Cut-Off/Grinder (Tool-Only)
M18 18-Volt Lithium-Ion 4-1/2 in. Cordless Cut-Off/Grinder (Tool-Only)

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10 answers

Does the Milwaukee M18 4-1/2 in. Cordless Cut-Off Tool/Grinder use the same battery as all the other M18 tools?

This question is from M18 18-Volt Lithium-Ion 4-1/2 in. Cordless Cut-Off/Grinder (Tool-Only)
Asked by
Jason
March 26, 2012
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Answers (10)

Asked by
Hanover PA
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October 18, 2016
Answer: 
yes all brush less and non brush less M18 tools are inner changeable
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Asked by
South of Chicago
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August 26, 2014
Answer: 
Yes
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Asked by
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August 5, 2014
Answer: 
Yes, it uses the M18 battery
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Asked by
Ohio
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December 27, 2013
Answer: 
Yes. M18 series tools are interchangeable with M18 batteries.
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Asked by
Texas, USA
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September 28, 2013
Answer: 
That'll be a big ol' nope.
Bought one because I have M18 screw gun/batteries-batteries didn't fit.
Bitter, palpable disappointment.
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Asked by
Cosby, TN 37722, USA
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August 13, 2013
Answer: 
Any m-18 lithium battery will work if you purchase that model, some require the more powerful one that takes the m-18 red lithium xc batteries because it would destroy the regular m-18.
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Asked by
JackB
May 5, 2013
Answer: 
XC batteries for sure, since that's all I have.
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Asked by
California, USA
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December 29, 2012
Answer: 
yes
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Asked by
WA
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September 26, 2012
Answer: 
It uses the M18 batteries but I would suggest using the M18-XC batteries as it will chew through a standard battery very quick.
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March 29, 2012
Answer: 
Yes. All M18 tools are powered by M18 lithium-ion battery packs.
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4 answers

Is this grinder brushless?

This question is from M18 18-Volt Lithium-Ion 4-1/2 in. Cordless Cut-Off/Grinder (Tool-Only)
Asked by
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February 20, 2016
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Answers (4)

Asked by
Read all my Q&A
Home Improvement Profile: Other
June 24, 2016
Answer: 
No it is not. Only the Fuel line from Milwaukee is Brushless.
Models: 2780-20, 2781-20, 2783-20. These 3 are Brushless / FUEL.
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Asked by
Syracuse,NY
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Home Improvement Profile: Professional
April 14, 2016
Answer: 
I took it apart it has 4 pole with carbon brushes.
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Asked by
PA
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Home Improvement Profile: DIYer
March 22, 2016
Answer: 
No it is not brushless.
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February 22, 2016
Answer: 
Yes, this is brushless.
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4 answers

What size arbor does this grinder have?

This question is from M18 18-Volt Lithium-Ion 4-1/2 in. Cordless Cut-Off/Grinder (Tool-Only)
Asked by
Jason
June 28, 2013
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Answers (4)

Asked by
Eagle Mountain, UT
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Home Improvement Profile: DIYer
August 10, 2015
Answer: 
5/8" (0.625 as stated in the specifications)
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Asked by
Texas, USA
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September 28, 2013
Answer: 
7/8"
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Asked by
Cosby, TN 37722, USA
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August 13, 2013
Answer: 
4 1/2"
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Asked by
JackB
June 30, 2013
Answer: 
Its the same as any other 4 1/2" grinder that plugs in.. Same as a Dewalt, Chicago Electric, Makita, Etc..
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3 answers

Can the angle of the cutting head be adjusted to vertical as well as horizontal?>

This question is from M18 18-Volt Lithium-Ion 4-1/2 in. Cordless Cut-Off/Grinder (Tool-Only)
Asked by
Knoxville, TN
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May 22, 2014
Some times I need to cut small flat pieces and need the ability to switch cutting angles.
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Answers (3)

Asked by
PA
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Home Improvement Profile: DIYer
March 22, 2016
Answer: 
No Mike, the head is stationary and can NOT be repositioned to a different angle.
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Asked by
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August 5, 2014
Answer: 
No, it is only a right angle grinder
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May 27, 2014
Answer: 
No, the gear head on the 2680-20 does not rotate.
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Customer Reviews

Rated 4.1 out of 5 by 44 reviewers.
Rated 5.0 out of 5.0 by one of my best perches this tool is light weight and convent the battery life and power is amazing October 18, 2016
Rated 3.0 out of 5.0 by Great tool for wireless or cordless work on light to moderate jobs. No so much for heavy jobs October 25, 2016
Rated 4.0 out of 5.0 by Milwaukee buff Not the most powerful tool but gets the job done. Not for everyday use and not for big jobs. But I like the face that it's convenient. October 4, 2016
Rated 3.0 out of 5.0 by great but still not like corded! If you absolutely need a cordless grinder then get this one. It is robust and powerful (at first) but can never replace a corded grinder. The grinder has a very nice gaurd sytem and trigger mechanism that alot of grinders get wrong. The grinder wheel change is pretty standard. As for power he grinder on a fresh charged XC pack has good power, almost on par with corded but falls short pretty quick. when i first got it I had to cut 10 3/4" rebar ends to cut with a standard cutoff wheel in the middle of nowhere and while it did do the job, it was VERY warm/hot when finished and nearly depleted the XC 4.0 battery. I reserve this tool now for lighted duty but i still keep it with me daily in my tool bag. Its not Milwaukees fault, i just have very high expectations for grinders. other may have different results with different material and wheels, definitely give it a try over the other brands March 19, 2016
Rated 5.0 out of 5.0 by Milwaukee M18 18-Volt Lithium-Ion 4 1/2" Cordless Cut-Off/Grinder It works Amazing! Great product! We love Milwaukee Products!!! September 13, 2016
Rated 5.0 out of 5.0 by milwaukee grainder I love all milwaukee tool...................................................................... September 14, 2016
Rated 5.0 out of 5.0 by I am pleasantly surprised how much go this grinder has for a battery operated tool. Nice Job Milwaukee! I am pleasantly surprised how much go this grinder has for a battery operated tool. It is light weight with lasting power from the battery. Nice job Milwaukee! August 9, 2016
Rated 2.0 out of 5.0 by Tool operation It has been my experience that the tool operates well. But it seems to overheat too quickly and then it cuts in and out. July 10, 2016
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