Milwaukee M12 Brushless Rotary Tool Kit (2525-21) – 12-Speed Variable Speed, 1/8 in Collet, Battery, Charger and Bag Included
Milwaukee M12 Brushless Rotary Tool Kit (2525-21) – 12-Speed Variable Speed, 1/8 in Collet, Battery, Charger and Bag Included
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Milwaukee M12 Brushless Rotary Tool Kit (2525-21) – 12-Speed Variable Speed, 1/8 in Collet, Battery, Charger and Bag Included

|8 ratings

Key item features

  • Powerful Brushless Motor: Features a brushless motor with REDLINK Intelligence, delivering 30 percent higher RPM under load for faster application speeds and long tool life.
  • Variable Speed Precision: Offers a 12-speed variable dial, adjustable from 5,000 to 27,500 RPM, enabling precise speed matching for diverse materials and applications.
  • Ergonomic Lightweight Build: Weighs only 0.8 lbs, providing improved comfort and precision for extended detailed work due to its compact and ergonomic design.
  • Convenient Integrated Features: Includes an integrated LED work light for enhanced visibility and an integrated collet wrench for quick accessory changes.
  • Broad Collet Compatibility: Comes with a 1/8 inch steel collet; supports additional 1/32 inch, 1/16 inch, and 3/32 inch collets (sold separately) for versatile use.
  • Comprehensive Kit Package: This kit includes an M12 REDLITHIUM CP2.0 battery, M12 charger, cut-off wheels, mandrel, wrench, and a contractor bag.
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Specs

Power type, BatteryMaximum speed, 27500 rpmIs variable speed, YBrand, MilwaukeeBatteries incl, YBattery capacity, 2 Ah

About this item

Product details

Complete cutting, grinding, sanding, polishing, and detail work with precision using the Milwaukee 2525-21 M12 Brushless Rotary Tool Kit. Designed for maintenance professionals, electricians, automotive technicians, fabricators, and advanced DIY users, this compact cordless rotary tool delivers high performance, exceptional control, and long-lasting durability for a wide variety of applications. Powered by a brushless motor and REDLINK Intelligence, the rotary tool delivers 30 percent higher RPM under load for faster application speeds and consistent performance. The 12-speed variable-speed dial adjusts from 5,000 to 27,500 RPM, allowing users to match tool speed to the material and application for greater precision. Weighing just 0.8 lbs, the ergonomic design provides outstanding comfort and control during extended use and detailed work. An integrated LED work light illuminates the work surface for improved accuracy, while the integrated collet wrench allows quick accessory changes with minimal downtime. The tool includes a 1/8 in steel collet and is compatible with 1/32 in, 1/16 in, and 3/32 in collets (sold separately), supporting a wide variety of rotary tool accessories. An on-board battery fuel gauge provides quick visibility of remaining runtime to help maximize productivity. This complete kit includes an M12 REDLITHIUM CP2.0 battery, M12 charger, three multi-material cut-off wheels, mandrel, wrench, and a contractor bag, providing everything needed to get started.
  • Brushless motor performance – delivers faster application speeds and long tool life
  • 30 percent higher RPM under load – maintains performance during demanding tasks
  • 12-speed variable control – adjustable from 5,000 to 27,500 RPM
  • Compact, lightweight design – only 0.8 lbs for improved comfort and precision
  • Integrated LED work light – enhances visibility for detailed work
  • Integrated collet wrench – quick accessory changes with less downtime
  • 1/8 in steel collet included – compatible with standard rotary tool accessories
  • Multi-collet compatibility – supports 1/32 in, 1/16 in, and 3/32 in collets (sold separately)
  • Battery fuel gauge – monitor remaining runtime at a glance
  • M12 system compatibility – works with all Milwaukee M12 batteries
  • Complete kit included – battery, charger, cut-off wheels, mandrel, wrench, and contractor bag
  • Ideal for pros and DIY users – cutting, grinding, sanding, polishing, engraving, and detail work
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Specifications

Power type

Battery

Maximum speed

27500 rpm

Is variable speed

Y

Brand

Milwaukee

Warranty

Warranty information

5 yr warranty on material and workmanship

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.9 out of 5 stars
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8 ratings4 reviews
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Showing 1-3 of 4 reviews

Oct 4, 2026
Reviewer name: Vanessa
Walmart Associate
Sold and shipped byThe TOOL GUY
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Milwaukee rotary tool kit

This is the ultimate rotary tool kit. Very happy with it. Zero complaints!

Incentivized Review
Helpful?3HLBE2FKEHBS6993951429
Oct 31, 2026
Reviewer name: Willard
Sold and shipped byGenuineTools.com
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I love this tool. Plenty of power easy to use comes with a nice case. It is worth every penny I paid. and it is high quality.

Incentivized Review
Helpful?3HLBE2FKEHBS6993951429
Jul 30, 2026
Reviewer name: kurt
Sold and shipped byThe TOOL GUY
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

King of rotary tools

Love this thing, smooth and does not bog down when pushed.

Incentivized Review
Helpful?3HLBE2FKEHBS6993951429
Current price is $187.00
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Sold and shipped by Spectra Prime
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4.2 stars out of 5, based on 77 seller reviews(4.2)
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