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Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder #5245524 10/20/19 11:41 PM
Joined: Aug 2004
Posts: 21,253
The Critic Offline OP
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Just received it on Saturday.

It is a bit heavy with the 6.0 battery but the size is not completely unreasonable. The size is still very manageable for cleaning wheel hubs and oil pans/timing covers (off car). The size could be a bit problematic for cleaning certain engine surfaces without engine removal, but we will see.

Here is a video of it running on speed 4:

https://youtu.be/XgSQcNiepyI

D0868934-CA2C-4E54-8D4D-113FCC3B81A1.jpegADE12BDE-9F00-41E0-8D77-02C3D7FD4C87.jpeg4A3CC7F2-BB1E-48CE-B907-C93B244130FB.jpegC337D5D5-49F7-40BD-8347-61BEC9E2AC8B.jpeg231F2D23-644A-425E-B417-AB2237643502.jpeg

2011 Toyota Prius 1.8L - 199K - Pennzoil Platinum 0W-20
2007 Honda Accord 2.4L - 140K - Valvoline Premium Blue Restore 10W-30
Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: The Critic] #5245562 10/21/19 03:57 AM
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LotI Offline
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Why would you pick that over an in-line? I’ve heavily invested in M12 already.


03 Honda Interceptor
11 Kawasaki KLR 650
12 Ford E450 Cutaway
19 Buick Regal TourX http://www.fuelly.com/car/buick/regal_tourx/2019/loti/943992
Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: The Critic] #5245640 10/21/19 06:13 AM
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NYEngineer Offline
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That's really nice.

Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: The Critic] #5245714 10/21/19 07:49 AM
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andyd Offline
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Just curious, M 12 is some sorta battery/ fuel cell hybrid? Please school me on how the 2 work together. Thank you in advance grin2


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: andyd] #5245837 10/21/19 09:51 AM
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bubbatime Offline
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Originally Posted by andyd
Just curious, M 12 is some sorta battery/ fuel cell hybrid? Please school me on how the 2 work together. Thank you in advance grin2


Fuel cell? Its just a lithium battery.


2019 Honda CRV 1.5T factory bulk
2017 Chrysler Pacifica SuperTech synthetic 5W20
2013 Yamaha XT250 Valvoline motorcycle 10W40
2006 GMC Sierra SuperTech high mileage 5W30

Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: andyd] #5245906 10/21/19 11:12 AM
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user52165 Online Content
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Originally Posted by andyd
Just curious, M 12 is some sorta battery/ fuel cell hybrid? Please school me on how the 2 work together. Thank you in advance grin2


Fuel refers to Milwaukee's line of brushless motor tools

Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: The Critic] #5245957 10/21/19 11:59 AM
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P10crew Offline
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Game changer!!! Been waiting a long dammed time for that one

Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: LotI] #5246633 10/22/19 12:23 AM
Joined: Aug 2004
Posts: 21,253
The Critic Offline OP
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Originally Posted by LotI
Why would you pick that over an in-line? I’ve heavily invested in M12 already.

I prefer this particular form factor.


2011 Toyota Prius 1.8L - 199K - Pennzoil Platinum 0W-20
2007 Honda Accord 2.4L - 140K - Valvoline Premium Blue Restore 10W-30
Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: The Critic] #5246858 10/22/19 08:47 AM
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perfect_oil Offline
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Assuming that it's intended for 2 inch discs, would 3 inch discs be too much of a load for it?

Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: LotI] #5248434 10/23/19 08:14 PM
Joined: Jul 2013
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jhellwig Offline
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Originally Posted by LotI
Why would you pick that over an in-line? I’ve heavily invested in M12 already.

They don’t make an in-line one like the pneumatic ones. The make one that is essentially a battery powered Dremel and one that is a large die grinder based on a regular angle grinder.

I just ordered one of these for work.

Last edited by jhellwig; 10/23/19 08:16 PM.

Sparks fly from my fingers.

1995 Chevy K2500 Suburban lt 5.7
2014 Toyota Sienna
1983 Chevy K5 350
Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: LotI] #5248482 10/23/19 09:12 PM
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clinebarger Offline
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Originally Posted by LotI
Why would you pick that over an in-line? I’ve heavily invested in M12 already.


For buffing/sanding.....90° works best, Whether it be "Cookies", 3M Green, or Roloc bristle .
When using a Carbide Burr or a cut-off wheel, I like inline better....But these 2 work better with an air tool anyway.


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: The Critic] #5252032 10/28/19 10:08 AM
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jhellwig Offline
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I just got mine today and noticed in the instructions that there is a picture of an inline version and a part number. 2486-20 is the part number but it doesnt come up anywhere.


Sparks fly from my fingers.

1995 Chevy K2500 Suburban lt 5.7
2014 Toyota Sienna
1983 Chevy K5 350
Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: The Critic] #5253296 10/29/19 03:33 PM
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Posts: 263
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stroked93 Offline
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Loud and less power than my air grinder. I love my Milwaukee tools but I feel like they missed the mark on this one.

Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: The Critic] #5254168 10/30/19 12:30 PM
Joined: Aug 2004
Posts: 21,253
The Critic Offline OP
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Been using it for cleaning hub flanges during a brake job. It performs very similarly to a pneumatic one. No issues with power or ergonomics.


2011 Toyota Prius 1.8L - 199K - Pennzoil Platinum 0W-20
2007 Honda Accord 2.4L - 140K - Valvoline Premium Blue Restore 10W-30
Re: Milwaukee 2485-20 M12 1/4” Right Angle Die Grinder [Re: The Critic] #5254212 10/30/19 01:31 PM
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ZebRuaj Offline
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This has been on my want list since I saw all the promos for it pop up at their Milwaukee new tool expo.

Acme tools has a 10% off deal thru tomorrow. Debating if I want to get it now, or wail for any black friday promo's.


~Shade tree mechanic for friends and family.
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