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11 Amp Corded 4-1/2 in. Small Angle Grinder with Lock-On Paddle Switch
  • Milwaukee
  • Model 6142-30
  • Internet #300476867
  • Store SO SKU #174996

11 Amp Corded 4-1/2 in. Small Angle Grinder with Lock-On Paddle Switch

$99.00 /each
Discontinued Model:

Model # 6146-30

Internet #202932655

Milwaukee 11 Amp 4-1/2 in. Angle Grinder

Discontinued Milwaukee

11 Amp 4-1/2 in. Angle Grinder

  • Powerful 11 Amp, 11,000 RPM Motor
  • Electronic Clutch: Extends tool life and prevents bind-up
  • 5 year limited tool warranty

Frequently Bought Together

Product Overview

The Milwaukee 11 Amp 4-1/2 in. Angle Grinder offers a unique combination of maximum power, performance and durability. With a 1400 max watts out motor that powers through the toughest jobs, this angle grinder is easy to use with single hand operation, is well balanced and has an ergonomic design for comfortable use no matter how long your job lasts. Milwaukee's Electronic Advantage includes overload protection to maximize motor life, an electronic clutch that extends tool life and helps prevent bind-up, line lock-out to prevent automatic start-up after power loss and soft start. Featuring a 100% tool-free design, you can change all accessories, including hubbed products, while the burst resistant and adjustable guard, allows you to make quick guard installations and adjustments for less downtime.

  • Powerful 11 Amp, 11,000 RPM motor provides maximum performance and durability
  • Overload protection maximizes motor life
  • Electronic clutch extends tool life and prevents bind-up
  • Tool-free accessory change for easy change of all accessories without a wrench
  • Tool-free adjustable guard provides quick guard installations and adjustments
  • Advanced airflow system maximizes airflow and reduces debris ingress for improved motor life and performance
  • Debris baffles protect internal components by deflecting damaging debris out of the airflow at the intake vents
  • Compatible with multiple grinder guards and flanges
  • Adjustable handle position for user comfort
  • Includes: 11 Amp 4-1/2 in. angle grinder, contractor bag, flange, grinding wheel, side handle, spanner wrench and type 27 guard
  • 5-year limited tool warranty
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name 11 Amp 4-1/2 in. Angle Grinder AG 450-S 7 Amp 4-1/2 in. Angle Grinder 11 Amp 4.5 in. Small Angle Grinder with Trigger Grip 13 Amp 5 in. Small Angle Grinder with Paddle Switch
Brand Milwaukee Hilti Milwaukee Milwaukee
Ratings (48) (2) (1) (6)
Cordless/ Corded Corded Corded Corded Corded
Wheel Diameter (in.) 4.5 in 4.5 4.5 in 5 in
Power Tool Features Bag Included Adjustable Handle Position,Lock On Switch,Spindle Lock No Additional Features No Additional Features
Amperage (amps) 11 7 11 13
Reconditioned No No No No
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Warranty / Certifications

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Customer Questions & Answers

From the reviews, has the concern with the power switch been resolved?

Asked by: WoodFab65
We are working to address the concerns in the reviews for this angle grinder.
Answered by: MilwaukeeElectric
Date published: 2015-09-20

what is the country of origin of this tool ?

Asked by: David
Made in China, to Milwaukee's specifications.
Answered by: Grogan14
Date published: 2015-11-06

Can the motor brushes be replaced on this model with out taking apart the housing? Another words accessed from the outside.

Asked by: Stretch
No, they are not accessible without some disassembly.
Answered by: Grogan14
Date published: 2016-09-16

Will this grinder work for use in dry grinding to edge granite?

I am looking for a reliable grinder that will work with diamond grid paper to put an edge on granite. The maximum speed for the discs is 4000 rpm. Is the variable speed able to do this? Thanks
Asked by: Anonymous
Yes it will and quite well. It's one of the only angle grinders out there that will do this and has the power to do this. You can use it wet or dry just don't spray any water directly into the motor.
Answered by: Way2Sharp4U
Date published: 2015-09-17

plastic case

Is there a Milwaukee, hard shell, plastic carrying case available for the Milwaukee, Model # 6146-30 grinder? If so, what is the Milwaukee part number and is it available at Home Depot?
Asked by: Roswic
I don't think they have hard case for those.
Answered by: Arek
Date published: 2015-11-05

what type of switch does this have, locking or trigger?

Asked by: doug
Answered by: jls1948
Date published: 2015-12-29

Is this model suitable for cutting welds in order to re-deck a utility trailer?

Asked by: PxJ
Hi PlanetEarth, This grinder will do the job, however a 7 inch grinder would be preferred due to its larger blade and greater power. Mike
Answered by: Jet1
Date published: 2015-11-07
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Customer Reviews

11 Amp 4-1/2 in. Angle Grinder is rated 4.5 out of 5 by 48.
Rated 1 out of 5 by from Bit the dust after 4 months I'm a part time welder and treat my tools pretty well. Usually stick with DeWalt but I picked this guy up a few months ago mostly to be a dedicated scale remover, easy job for a grinder. Today the thing started acting up then it overheated and will barely spin, too hot to touch! Guess it's back to DeWalt for me...
Date published: 2016-09-05
Rated 5 out of 5 by from great grinder the grinder performs well, I'll use it for getting rid of spatter and cutting old nuts and bolts
Date published: 2016-10-15
Rated 1 out of 5 by from Wheel Guard BROKE! Does the wheel go round and does it cut? Yes. However, how the wheel guard broke off of this thing, I have no idea. I've used the tool less then 4 times and it broke, I was not abusing it and everything was secure and in place. Now to see if milwaukee sends me a replacement.
Date published: 2016-09-13
Rated 5 out of 5 by from Everything and more Needed a second 4 1/2 grinder, I bought the 11 amp Milwaukee and its outstanding.
Date published: 2014-04-10
Rated 5 out of 5 by from High performance grinder This grinder is much smoother, quieter, and operates much cooler than some of the lower end Milwaukee grinders. The "Soft start" feature works very well, saving you from the kick that powerful grinders traditionally have. My only complaint is the lock on feature, which is hard to manipulate with welding gloves on.
Date published: 2012-01-17
Rated 5 out of 5 by from Quiet and powerful grinder! Bought this 11amp milwaukee grinder because my old Sears model wasn't cutting it anymore since I got into welding. This grinder has all the power you need for 1/2" steel bars that I cut through and grind regularly, does not heat up the point of needing a break even after 2 hours of steady use. Now I just alternate between grinders to make sure I don't overheat either and work fast through projects, I also got the 2year warranty with Home Depot for 12bucks to get an easy exchange if anything goes wrong(which after using it I don't think this bad boy can be pushed too hard with what I do. Praise God for good quality tools!
Date published: 2015-04-19
Rated 5 out of 5 by from The best 4 inch grinder on the market I run a fab shop. I love these grinders for smaller jobs. They are easy to use, well balanced, single hand operation, and durable. They last about five to six years of continuous use. Don't settle for grinders of another color such as orange, green, or yellow. Especially stay way from orange they are unsafe. I would and do recommend these products to everyone.
Date published: 2014-08-24
Rated 5 out of 5 by from Perfect Assembly was super simple. I especially appreciate the "easy off" spark guard feature. Also, the safety-on button , although it takes some getting used to, is a fantastic and easy to reach safety feature.
Date published: 2016-08-10
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