Model # 6088-30

Internet #203410166

Store SKU #470080

Store SO SKU #1000791998

Milwaukee 15 Amp 7/9 in. Large Angle Grinder with Trigger Lock-On Switch


15 Amp 7/9 in. Large Angle Grinder with Trigger Lock-On Switch

  • 6,000 RPM- optimal wheel speed for material removal
  • High overload protection and power for difficult applications
  • 7 in. & 9 in. Type 27 Guard Included-for added productivity
$15900 /each
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Product Overview

Designed for heavy-duty use in demanding conditions, this 15 Amp, 4.2 HP large angle grinder from Milwaukee maintains speed under load to power through tough jobs. Undeterred by industrial-grade materials, this 7/9 in. grinder produces up to 6000 RPM with enhanced circuitry to prevent overloading or overheating. A vibration-inhibiting side handle affords users with stability and leverage to conquer toilsome cutting and grinding tasks. Keep this machine in running mode with a trigger-positioned lock-on switch.

  • Outfitted with baffles to minimize debris and maximize airflow
  • Perform up keep on brushes via easily-accessible external doors
  • Guard is burst-resistant and adjusts without tools
  • Includes type 27 guard, flange and spanner wrench for sanding-disc installation
  • 5-year limited warranty
  • Tool free, burst resistant guard-quickly adjust the guard without a tool
  • 7 in. and 9 in. type 27 guard included-for added productivity
  • Includes: (1) 6088-30 15 Amp 7 in./9 in. large angle grinder with lock-on, (1) flange, (1) side handle, (1) spanner wrench, (1) type 27 guard
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name 15 Amp 7 in. Corded Angle Grinder 15 Amp 7/9 in. Large Angle Grinder with Trigger Lock-On Switch 15 Amp 7-9 in. 6000 RPM Grinder/Sander 15 Amp 7/9 in. Roto-Lok Large Angle Grinder with Trigger Lock-On Switch
Brand Makita Milwaukee Milwaukee Milwaukee
Ratings (42) (6) (3) (2)
Reconditioned No No No No
Amperage (amps) 15 15 15 15
Power Tool Features Grinding Wheel Included,Lock On Switch,No Tool Wheel Change,Second Handle Included No Additional Features No Additional Features Adjustable Handle Position,Lock On Switch,Spindle Lock
Cordless/ Corded Corded Corded Corded Corded
Wheel Diameter (in.) 7 in 9 in 9 in 9 in
View Product View Product View Product View Product



Product Depth (in.)
Product Height (in.)
Product Width (in.)
Wheel Diameter (in.)
9 in


Amperage (amps)
Arbor Size
Color Family
Cord Length (ft.)
Corded Tool Type
Angle Grinder
Cordless/ Corded
Electronic Speed Control
Maximum Speed (rpm)
Power Tool Features
No Additional Features
Product Weight (lb.)
Tools Product Type
Power Tool
Variable Speed

Warranty / Certifications

Certifications and Listings
1-UL Listed
Manufacturer Warranty
5 Year Limited Warranty

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Customer Questions & Answers

can i put a dust shroud on this grinder

Asked by: tony
If you are grinding anything that produces dust, a dust shroud is a necessity! Buy the one made exclusively for your grinder.
Answered by: DaleV
Date published: 2017-04-24

Does this have the 9-Position rotating main handle

Does the handle rotate?
Asked by: Paul
Sure does. It comes as part of the package along with the Flat disk backer and some sandpaper.
Answered by: DaleV
Date published: 2016-08-04

Can you sand wood floors with this machine

Asked by: Ducky
Yes, you can sand wood with this machine.
Answered by: CommunityAnswer
Date published: 2017-04-24

Can this grinder be used with a flat disk?

Is the disk backing plate and lock nut comparable with FLAT disks. The description says type 27 which are depressed center disks. I want to use this grinder with a flat diamond cutoff wheel which means the grinder must have a backing/lock system compatible with flat disks.
Asked by: johnnymg
You can order the Milwaukee 48-80-0822. It is a 7 in. 36 Grit Sanding Disk that comes with 5 disks per package. Get twice what you THINK you need if you are working with concrete. You can always return unused full packages for credit!
Answered by: DaleV
Date published: 2016-12-03
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Customer Reviews

15 Amp 7/9 in. Large Angle Grinder with Trigger Lock-On Switch is rated 5.0 out of 5 by 6.
Rated 5 out of 5 by from Workhorse does the job I've used various 7" grinders before, and this is my favorite so far. The front handle can be positioned 3 ways for jobs at various angles. I've used this where clouds of dust were thrown up, and it doesn't seem to mind at all. It does not get overly hot, which is nice. It has all the power I need for concrete or metal grinding. I've also cut bricks/blocks with it. The only wish I have is that Milwaukee made a dust collector cover specifically for this grinder. If they do, I haven't found it yet. It would be a great addition.
Date published: 2013-08-15
Rated 5 out of 5 by from Always Buy the Best for the Hard Jobs This Grinder is a beast! I equipped it with the Dewalt 7 inch diamond grinding head, and Milwaukee dust collector (You MUST use a good dust collector & a very good Shop-Vac vacuum because the dust is carcinogenic, and a cloud of it will infiltrate everything in your garage and in your house, no matter if you use plastic sheets or not). I needed to smooth down all the flaws I had left in my garage floor resurfacing job. The surprise is that I resurfaced with Home Depot's Cement-All product (pricey, but very permanent) and that stuff is like marble to smooth out. My Porter-Cable Belt Sander with a 36 grit belt barely touched it, and it ate four belts before I used the Milwaukee Grinder. The Milwaukee Grinder ate that Cement-All for breakfast! It also leaves a nice "whirl" finish. If you want glass-smooth, you'll have to rent a stand-up with a polishing wheel. Caution, This model draws 15 Amps, so you need to use a relatively unloaded electrical circuit.
Date published: 2016-08-03
Rated 5 out of 5 by from EXCELLENT We use it in heavy-duty metal working and masonry (two and two). It's powerful, it runs smooth, it handles 9" Ø. Only caveat I see is for small spaces, but we whip out our 6147-30 mini-grinder for those cases.
Date published: 2016-03-31
Rated 5 out of 5 by from hold on to your hat this is a brute i was looking at chop saws but i don't have the space to keep one.i needed a cut off tool.there are times a plasma cutter is to big or not portable this fit the bill ..with power to spare!!! THIS IS NO TOY band aids won't fix it if this ever gets away from you
Date published: 2014-08-19
Rated 5 out of 5 by from Super grinder. Solid feel with a smooth running, powerful motor. Had a couple cheaper machines b... Super grinder. Solid feel with a smooth running, powerful motor. Had a couple cheaper machines before and they just didn't hold up. I've now put about 7 hours on it and so far it's to Milwaukee's famous reputation.
Date published: 2016-11-09
Rated 5 out of 5 by from You better have muscles to use this tool Time to teach my son but my 45 year old Milwaukee has no guard. time to upgrade, I made the right choice.
Date published: 2013-08-10
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