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Product Details

About This Product

The MILWAUKEE® M18™ Brushless 4-1/2” / 5” Cut-Off Grinder delivers power and runtime while maintaining a compact size. Milwaukee built and optimized the 11,000-rpm brushless motor specifically for cutting and surfacing applications. The Brushless Grinder, paired with built-in REDLINK™ power tool technology and REDLITHIUM™ batteries, efficiently delivers power and provides longer battery life, resulting in up to 80 cuts in ½” rebar. With the XC5.0 battery attached, the Brushless Grinder's body weighs only 4.6 lbs and measures 12.25" in length. The Brushless Grinder includes an electronic clutch for kickback protection and overload protection to maximize motor life. The 5/8”-11 spindle and tool-free guard adjustments ensure faster adjustments and less downtime while fully compatible with the most common grinder accessories in the market. The compact and lightweight build allows for excellent control and comfort. The all-metal gear case ensures that the Brushless Grinder is built to last and gets the job done every time.

Highlights

  • Milwaukee brushless motor: optimized for efficiency, this motor delivers more run-time and longer life than a brushed motor
  • REDLINK™ Intelligence: Advanced overload protection defends against abusive applications and monitors the temperature to prevent damage and ensure maximum tool & battery life.
  • REDLITHIUM™ batteries (not included) deliver more work per charge and more work over the life of the battery
  • Paddle Switch Design for Increased Comfort and Ease-Of-Use when Operating in Various Positions
  • Tool-Free Guard Adjustment for faster guard installations and adjustments
  • 5/8"-11 Spindle for Use with Common Grinding Accessories
  • Overload Protection: Maximizes motor life
  • Electronic Clutch for Kickback Protection
  • Compatible with all M18™ batteries
  • Includes: (1) 2686-20 M18 Brushless 4-1/2 in./5 in. Cut-Off Grinder, (1) Type 1 Guard, (1) Type 27 Clip-On Guard, (1) Side Handle, (1) Back Flange, (1) Flange Nut, (1) Wrench
  • 0
  • Includes: (1) 2686-20 M18™ Brushless 4-1/2" / 5" Cut-Off Grinder, (1) Type 1 Guard, (1) Type 27 Clip-On Guard, (1) Side Handle, (1) Back Flange, (1) Flange Nut
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  • Return Policy

Product Information

Internet # 324908252

Model # 2686-20

Store SKU # 1009459589

Additional Resources

Shop All Milwaukee

Specifications

Dimensions: H 4.75 in, W 10 in, D 12.25 in

Dimensions

Product Depth (in.)

12.25 in

Product Height (in.)

4.75 in

Product Width (in.)

10 in

Wheel Diameter (in.)

4.5 in

Details

Amperage (A)

0 A

Arbor Size

.625

Batteries Included

No

Battery Amp Hours

No Battery

Battery Power Type

Lithium Ion

Battery Size

18-volt

Charger Included

Charger Not Included

Color Family

Red

Condition

New

Cordless Tool Type

Angle Grinder

Cordless/Corded

Cordless

Electronic Speed Control

No

Grinder Switch Type

Paddle

Included

No Additional Items Included

Maximum Speed (RPM)

11000 RPM

Motor Type

Brushless

Number of Total Batteries Included

0

Power Tool Features

No Additional Features

Product Weight (lb.)

3.6 lb

Returnable

90-Day

Tools Product Type

Power Tool

Variable Speed

No

Voltage (V)

18 V

Warranty / Certifications

Certifications and Listings

UL Listed

Manufacturer Warranty

5 Year Limited Warranty

Questions & Answers

9Questions
caret
Q:How quick does the wheel stop when the trigger is released?
by|Jun 8, 2024
0 Answer
Answer This Question
caret
Q:What cut off wheel goes best with this?
by|Apr 18, 2024
1 Answer
Answer This Question

A:  Hi Rodz, the type of cut off wheel depends on the application you are looking to complete. The M18 Brushless Grinder has a 5/8 in. to 11 in. spindle for use with common grinding accessories. - Milwaukee Tool Social Team

by|Apr 23, 2024
    caret
    Q:Will this cut thin brick?
    by|Apr 14, 2024
    1 Answer
    Answer This Question

    A:  Hello! If cutting brick, we suggest using a grinding wheel designed for cutting materials such as concrete, brick, and stone with your grinder. - Milwaukee Tool Social Team

    by|Apr 17, 2024
      caret
      Q:For this grinder: M18 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Grinder with Paddle Switch with 5.0Ah Starter Kit Does 3.6 lbs include the 5.0Ah battery, guard and handle?
      by|Mar 31, 2024
      1 Answer
      Answer This Question

      A:  Hello! The M18 Brushless Cordless Grinder weighs 3.6lbs without the battery. The M18 XC5.0 battery weighs an additional 1.54lbs. - Milwaukee Tool Social Team

      by|Apr 28, 2024
        Showing 1-4 of 9

        Customer Reviews

        4.6 out of 5

        • 4.6 out of 205 reviews
        • 93% recommend this product
        Filter by:
        Showing 1-10 of 205 reviews
        Grinder.
        A real good grinder. Milwaukee biased. Good tool..
        by
          • Recommended
          Awesome add to the tool collection
          Things awesome helper when ya don’t want to drag an extension cord around behind you. Tons of power and easy to swing around, beauty tool to add to the arsenal
          by
          • Verified Purchase
          • Recommended
          A Metalworking Must-Have
          Very compact, more than even the previous Milwaukee grinder. The motor housing is about 1 inch shorter. Hand placement is about 1 inch closer to the disc (although plenty of clearance). The new motor still has tons of torque, and there is no lag in spinning up a heavier grinding disc. There's about a 2 second coast on power-off; this model does not have the quick-stop braking action. I'm a big fan of the no-tool guard. It has to be the best feature, literally you can attach / remove the guard in 2 seconds, and adjust it just as quickly. It's locked by a steel pin, so it won't accidentally rotate. Balance is great, and it has plenty of power for any light to medium duty metalworking task - rebar cutoff, pipe/tube cutting, plate grinding, etc. The paddle switch is simple, and does not require much force to hold it On. My hands don't feel fatigued after extended use.
          by
          • Recommended
          1 found this review helpful
          Great For DIY
          Simple to assemble; just attach the guard and screw on the handle. The handle can easily be moved to the other side; for right-hand or left-hand use. The guard can be rotated; to shield you whichever way you are holding the grinder. It has an add-on plastic guard; for Type 1 use (see pic). The Brushless motor works great, when letting the wheel do the cutting, but if you plan on ‘leaning into it’, you may want to get the Fuel Version (Model 2880-20). The ‘REDLINK Intelligence’ will shut it off if overdriven. It has a 5/8” – 11 Spindle. If you are screwing on something (e.g. a wire brush) get 5/8”. If you are using something with a hole (e.g. a cutting wheel) get 7/8”. No wheels or brushes are included. I decide to order the Milwaukee 4.5” x 0.045 in. x 7/8 in. Cut-Off Wheel Type 27 (Model 49-94-4505). Bought the 2 pack; since it was a better deal. I prefer a Grinder, over a Reciprocating Saw, for cutting anything that may bounce around with the saw’s blade. This Grinder sure sped up taking down an old chain-link fence (see pic).
          by
            • Recommended
            Great grinder by Milwaukee
            I’m always looking to expand my toolbox and I’ve recently found myself in need of a grinder for a few projects involving cutting rebar. I also needed a grinder for some projects involving welding. I’m new to both of these types of projects but I wanted to have the proper tool. Since I already have several Milwaukee M18 tools, including the batteries, I decided to try this Milwaukee M18 18V Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Grinder w/Paddle Switch (Tool-Only). The tool arrives with the side handle detached but it is simply a matter of screwing it in on either side of the tool depending on what your dominant hand is. When I received it, I bought a cut-off disc and got to work cutting some half inch rebar. This grinder had plenty of power and made cutting the rebar easy. Previously I had been awkwardly cutting the rebar with a reciprocating saw and this was a good improvement. I’m very happy with the performance of this grinder and I would definitely recommend it.
            by
            • Recommended
            The job site standard
            An excellent grinder. Extremely reliable and powerful with a good battery. I like the paddle especially when using a chain disc. Kind of scary without it.
            by
            • Verified Purchase
            • Recommended
            Awesome
            Works exactly how it should, very convenient instead of a corded tool
            by
            • Verified Purchase
            • Recommended
            Strong
            Well I didn’t expect that much power . It is really powerful and 5Ah lasts longer.
            by
            • Verified Purchase
            • Recommended
            Yes
            This grinder is a good light one to cut heavy gauge metal on jobs perfect and excellent
            by
              by
              • Verified Purchase
              Showing 1-10 of 205 reviews

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