Milwaukee 2785-21HD M18 FUEL 7 in. / 9 in. Large Angle Grinder Kit

Model: miln2785-21hd
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Milwaukee 2785-21HD M18 FUEL 7 in. / 9 in. Large Angle Grinder Kit Model: miln2785-21hd
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Product Features & specs :

Milwaukee 2785-21HD M18 FUEL 7 in. / 9 in. Large Angle Grinder Kit

The M18 FUEL 7 in. / 9 in. Large Angle Grinder is the world's first 18v LAG generating the power of a 15A corded large angle grinder, is up to 2LBS lighter, and has 9 in. grinding capacity. Providing high performance, advanced ergonomics & legendary durability, this grinder is designed to complete the toughest grinding, surface preparation, and cutting applications with any 7 in. - 9 in. accessory. The POWERSTATE Brushless Motor provides 6,600 RPM and higher speeds under load for corded grinding/cutting performance. REDLINK PLUS intelligence ensures maximum performance and protection from overload, overheating and over discharge. The M18 REDLITHIUM High Output HD12.0 battery delivers unmatch run-time in all applications. Tool-free accessory changes using the FIXTEC nut and guard adjustments mean less downtime during work.
  • POWERSTATE Brushless Motor: Purposely built for the M18 FUEL 7 in. / 9 in. Large Angle Grinder to generate the power and performance of a 15A corded Large Angle Grinder.
  • REDLITHIUM High Output HD12.0 Battery Pack: Provides 50% more power and runs 50% cooler versus standard REDLITHIUM HD packs. Superior pack construction provides the industry's best protection against jobsite conditions.
  • REDLINK PLUS Intelligence: Ensures optimal performance and provides overload protection to prevent damage to the tool and battery during heavy applications while still maintaining compatibility across the entire M18 System.
  • Corded Performance: World's first 18V Large Angle Grinder
  • 100% Tool Free: Make all accessory changes and guard adjustments without a wrench for increased productivity.
  • Advanced ergonomics for increased mobility and productivity
  • Metal housing & gearing system providing legendary durability
  • Dual action trigger: eliminating accidental trigger actuation
  • Compatible with all M18 Batteries and Tools
What’s Included:
  • 2785-20 7 in. / 9 in. Large Angle Grinder
  • (1) M18 REDLITHIUM High Output HD12 Battery Pack
  • (1) M12 & M18 Multi Voltage Rapid Charger
  • Type 27 9 in. Guard
  • (1) Side Handle
  • (1) FIXTEC Nut
  • (1) Backing Flange
  • (1) Wrench
  • (1) Contractor Bag
22.31 in.
3.4 in.
5.66 in.
11.95 lbs.
Arbor Size
5/8 in - 11 in
Batteries Included
Battery Amp Hour
12 Ah
Battery System
Battery Type
Battery Warranty
3 Year
Bluetooth Compatibility
CSA Safety
Case Included
Case Type
Charger Included
ETL Safety
Motor Type
No-Load Speed (RPM)
Power Source
Spindle Thread
5/8 in - 11 in
Switch Settings
Switch Type
UL Safety
Variable Speed
Wheel Diameter
7 in / 9 in
Wifi compatibility

Reviews :

4.8 / 5.0
28 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Really powerful and light
This is a very impressive grinder. I never really thought that a battery powered grinder can have this much strength and cutting capabilities. it cuts through anything metal like butter also depends on the type of blades that you use. But it never stalls on me no matter how hard I push it against metal.
March 21, 2020
Originally posted at
Great grinder
Works amazing. Got one because i use a friends at work ALL THE TIME.
March 7, 2020
Originally posted at
Great product money well spent
I brought this for metal prep and I love it lighter than corded and the power is there. Would buy again
March 6, 2020
Originally posted at
Awesome-move forward.
Great performance, love the tool. Milwaukee is doing a great job in the design dept. Dont get comfortable, a grinder platform with a reversible direction of rotation (would require a spline etc. for the disc drive) would put you above and beyond. In tight quarters I would like to always be able to direct sparks away from my person, also cleaner for safety.
February 23, 2020
Originally posted at
Milwaukee Fuel runs our shop
We operate a grain and oilseed farm and have a shop where we do most of our own maintenance, repair and a lot of fabrication.We use this grinder in place of the corded tools as it has more power and is much easier to move around the shop
February 1, 2020
Originally posted at
Unexpected Power
I was pleasantly surprised by the power and balance of this grinder. Gets the job done in no time. Very happy with this grinder..
February 1, 2020
Originally posted at
The King of Grinders
The power that comes from this battery powered unit is incredible. It was well worth the value
November 16, 2019
Originally posted at
Best grinder I have now
I’ve quit using my corded grinders. Use it every day working on the pipeline. I own and used every day for about 15 years now a Milwaukee 6088-30 9in grinder and this is and is my favorite grinder. This cordless grinder is my new favorite
November 8, 2019
Originally posted at
Highly recommended
I needed a new cordless grinder for cutting cinder blocks, pavers, concrete, and demolition. The 7/9 inch grinder has a lot of power with the 12.0ah battery. The only thing that would make it better is somebody having a 9" diamond wheel in stock. I've had to run 7" wheels on it. I needed to cut through a concrete slab. I took the shield off and threw one of my tile saw 10" wheels on it. It cut all the way through. A 10" wheel sucked the battery life down fast though. I got about 15 minutes out of a 12.0 ah battery. Impressive though.
October 13, 2019
Originally posted at
All that and a bag of chips
Pretty amazing how for battery tools from Milwaukee have come. I use the grinder for small landscape projects that a corded tool is not feasible. It cuts through rebar and edging better than any corded tool I have owned. The blade I purchased doesn't seem to ballanced well and vibrates alot. After grinding a dozen mower blades my fingers are tingling. I purchased a Milwaukee 9" grinder blade and it doesn't fit? I'm not sure what the issue is but I'm sure it's not the grinder or the operator. I'm going to take it to my local rep and see if he can help with the Milwaukee blade issue.
September 29, 2019
Originally posted at

Q & A :

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how do you take the top flange nut off ?
A shopper on Sep 7, 2018
BEST ANSWER: Your question will be best answered by the manufacturer, who can provide the accurate information. The number to reach the technician directly is 1-800-729-3878 or online at
OZZIE on Jul 30, 2018