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Milwaukee

Milwaukee 2486-20 M12 FUEL Lithium-Ion In line Die Grinder (Tool Only)

  • Based on 608 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Jun 23
Order within 21 hours and 23 minutes
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Features

  • Powerful Performance: Delivers up to 0.3 HP, outperforming pneumatic die grinders by 20%
  • Versatile Speed Control: 3-Mode RPM control and responsive variable-speed trigger for precise operation
  • Cordless Freedom: Eliminates the hassle of air hoses and compressors for enhanced mobility
  • Compact Design: Ideal for accessing tight spaces, with a tool size of 4" x 4" x 11"
  • Durable Construction: Features a PowerState brushless motor for long-lasting performance

Description

The Milwaukee M12 FUEL 1/4 in. Straight Die Grinder is designed to replace pneumatic die grinders. The die grinder provides users with up to .3 HP performance to outperform pneumatic die grinders by 20%. The M12 inline die grinder features 3-Mode RPM control and a responsive variable-speed trigger providing users with unmatched control with their most common accessories. The cordless die grinder gives users greater access and mobility, eliminating the frustrations of hoses and compressors.

Brand: Milwaukee


Power Source: Cordless


Color: Black


Special Feature: Cordless


Item Weight: 1.2 Pounds


Power Source: Cordless


Other Special Features of the Product: Cordless


Maximum Rotational Speed: 24500 RPM


Color: Black


Style Name: Pencil


Item Weight: 1.2 Pounds


Item Dimensions: 11 x 4 x 4 inches


Brand Name: Milwaukee


Model Number: 2486-20


Global Trade Identification Number: 52


Manufacturer Part Number: 2486-20


Manufacturer: netmagic


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Jun 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Great for grinding engine parts
Great for modifying cast aluminum supercharger housing. When it came, part of the collet was stuck and the Milwaukee box seemed damaged but the tool itself worked fine after I pulled the collet out with pliers and applied some grease to it.
Reviewed in the United States on February 23, 2026 by Vic N
    • Manage your expectations
I am an industrial mechanic (think oil rigs, oil refineries, power plants, etc), it is a fast paced, heavy duty environment. The idea of a cordless die grinder has always been alluring to me given the sometimes remote areas I work in. This is an excellent product. The RPMs (0 - 21,000) are governable depending on how much you squeeze the trigger, which is nice for carbide burr bits, and the tool is light weight and easy to manipulate. I saw in previous reviews that people are having difficulty inserting quarter inch accessories into the collet. This is typical with new die grinders and gets easier over time. Unscrewing the collet just a little more will allow the bit to be inserted. I also saw that some people were having trouble removing a bit, that is the point of what is quite frankly a dangerous tool. Smacking the collet with the provided wrench after loosening it, releases the bit. This is true for every die grinder. All this said. This is not a heavy duty tool, however, DIYers or hobbyists would love it. If you're imagining a pneumatic die grinder that you've used in the past, you will be disappointed. Under heavy duty loads (cutting through greater than 1/16 inch metal with a cut off wheel, pressing firmly into a work piece with a carbide burr) the tool does bog down and sometimes stall. This tool is for light applications, if you're OK with that, this tool will serve you well and you'll enjoy using it. ... show more
Reviewed in the United States on July 17, 2024 by Andrew
    • Super Paw Paw
great tool
Reviewed in the United States on March 19, 2026 by Amazon Customer
    • It’s long, 14”. Works as advertised.
I thought this would be much shorter than it is. With a bit, and a battery it measures 14” tall. Just something to be aware of. I have the right angled as well. Having both is indispensable, especially if you want to have two different bits at once.
Reviewed in the United States on February 19, 2026 by Big Possum
    • Compact power with a few quirks
The power feels strong for its size and it fits my hand nicely. I like that I can swap bits fast while the baby naps and be done before anyone melts down. The only thing that bugs me is how fast the battery drains when hes really leaning on it for bigger jobs. We already had M12 batteries, so it works out, but if you dont this could get pricey. Still, it makes small DIY stuff a lot less annoying. ... show more
Reviewed in the United States on June 7, 2026 by Laura
    • Potente, compacta y perfecta para espacios reducidos
Trabajo en mantenimiento industrial y esta herramienta ha sido una excelente adición a mi equipo M12. La utilizo para limpiar óxido, desbarbar bordes metálicos, preparar superficies y realizar trabajos de precisión donde una amoladora convencional no cabe. El diseño angular facilita mucho el acceso a espacios reducidos y la potencia es impresionante para una herramienta de 12V. La velocidad es constante, las vibraciones son mínimas y la calidad de construcción es la que se espera de Milwaukee FUEL. Si ya utilizas baterías M12, esta herramienta vale completamente la inversión.” ... show more
Reviewed in the United States on May 31, 2026 by Daniel Barroso
    • Tight spaces
Great for tight spaces. Works great as a Cutoff wheel tool but you’ll need a soft touch for grinding because it will shut off when pushed.
Reviewed in the United States on November 1, 2025 by Alfred vinciguerra
    • Would recommend!
One of my favorite tools! Good value, power, battery life, and easy to use! Great little tool for trimming and small grinding jobs!
Reviewed in the United States on January 10, 2026 by djkarp

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