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M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Braking Grinder Kit w/Slide Switch and Two 6.0 Batteries

$46900
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  • Generates 11A corded power, fastest cutting
  • RAPIDSTOP brake, enhanced safety
  • Fully compatible with the M18 System, featuring over 200+ tools
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Product Overview

The Milwaukee M18 FUEL 4-1/2 in. / 5 in. Braking Grinder with ONE-KEY Slide Switch, Lock-On Kit is the next advancement in power and performance of cordless grinders while enhancing safety with its RAPIDSTOP Brake. The M18 FUEL 4-1/2 in. / 5 in. Braking Grinder with ONE-KEY generates 11A corded power to complete the toughest grinding and cutting applications. The POWERSTATE Brushless Motor delivers maximum sustained power and 8,500 RPM to remove material faster and increase productivity. REDLINK PLUS Intelligence ensures unmatched levels of performance, protection, and compatibility. The RAPIDSTOP Brake provides stop times under 2 seconds with an abrasive disc. This battery-powered grinder includes an electronic clutch for kickback protection, as well as overload protection to maximize motor life. Compatible with ONE-KEY, this grinder wirelessly connects to a smartphone to track and manage the tool, providing users with visibility to where tools are across their network of jobs. The included M18 REDLITHIUM HIGH OUTPUT XC6.0 Batteries deliver 50% more power while running 50% cooler than the M18 REDLITHIUM XC Batteries. Experience faster accessory changes, and less downtime with tool-free accessory and guard adjustments, while remaining fully compatible with the most common accessories in the market. The M18 FUEL 4-1/2 in. / 5 in. Braking Grinder with ONE-KEY is the next level of jobsite productivity and enhanced safety in cordless grinders.
  • POWERSTATE brushless motor: purposely built for the M18 FUEL 4-1/2 in. / 5 in. braking grinder with ONE-KEY delivers 8,500 RPM to provide the power to complete the toughest grinding and cutting applications
  • REDLINK PLUS intelligence: most advanced system of electronics in the industry, enabling communication between batteries and tools, allowing for unmatched levels of performance, protection, and compatibility
  • REDLITHIUM HIGH OUTPUT battery pack: provides 50% more power and runs 50% cooler versus standard REDLITHIUM battery, superior pack construction, electronics and performance deliver more work per charge and more work over pack lifespan than any battery on the market
  • Includes a RAPIDSTOP brake, to quickly stop accessories and enhance safety
  • Slide switch designed to reduce user fatigue
  • Tool-free guard adjustment for faster guard installations and adjustments
  • Tool-free accessory changes with integrated FIXTEC Nut technology
  • Electronic clutch for kickback protection
  • 5/8 in.-11 spindle for use with common grinding accessories
  • Overload protection to maximize motor life
  • Anti-vibration side handle for increased user comfort and safety
  • ONE-KEY tracking and tool management
  • Compatible with all M18 batteries
  • Includes: (1) M18 FUEL 4-1/2 in. / 5 in. braking grinder with ONE-KEY slide switch, Lock-On (2883-20), (2) M18 REDLITHIUM HIGH OUTPUT XC6.0 battery packs (48-11-1865), (1) M18 and M12 rapid charger (48-59-1808), (1) T27 Guard, (1) T1 clip-on guard, (1) side handle, (1) spanner wrench, (1) back flange, (1) flange nut, (1) large contractor bag
  • Includes: 1 M18 FUEL 4-1/2 in./5 in. braking grinder with ONE-KEY slide switch, lock-on (2883-20), 2 M18 REDLITHIUM HIGH OUTPUT XC6.0 battery packs (48-11-1865), 1 M18 and M12 rapid charger (48-59-1808), 1 T27 guard, 1 T1 clip-on guard, 1 side handle, 1 spanner wrench, 1 back flange, 1 flange nut, 1 large contractor bag
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M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Braking Grinder Kit w/Slide Switch and Two 6.0 Batteries
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BrandMilwaukeeMilwaukeeMilwaukeeMilwaukee
NameM18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Braking Grinder Kit w/Slide Switch and Two 6.0 BatteriesM18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Grinder with HACKZALL Reciprocating SawM18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Grinder with Compact BandsawM18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Grinder with Deep Cut Bandsaw (2-Tool)
Price
$46900
$54900
$70464
$72141
Ratings
(10)
(698)
(166)
(242)
Cordless/ CordedCordlessCordlessCordlessCordless
Wheel Diameter (in.)4.55 in5 in5 in
Power Tool FeaturesAdjustable Handle Position,Blade Guard System,Electric Brake,Side HandleBlade Guard SystemNo Additional FeaturesLED Light
Amperage (amps)6.0 A0 A0 A0 A
Voltage (volts)18181818
Battery Amp Hours6 Ah6 Ah6 Ah6 Ah
Motor TypeBrushlessBrushlessBrushlessBrushless
Battery/Charger(2) 6 Ah Batteries & Charger Included(2) 6 Ah Batteries & Charger Included(2) 6 Ah Batteries & Charger Included(2) 6 Ah Batteries & Charger Included
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Specifications

Dimensions

Product Depth (in.)
16.29 in
Product Height (in.)
4.405 in
Product Width (in.)
2.76 in
Wheel Diameter (in.)
4.5

Details

Amperage (amps)
6.0 A
Arbor Size
5/8"-11
Batteries Included
Yes
Battery Amp Hours
6 Ah
Battery Power Type
Lithium Ion
Battery Size
18-volt
Battery/Charger
2 Batteries & Charger Included
Battery/Charger
(2) 6 Ah Batteries & Charger Included
Charger Included
Charger Included
Color Family
Red
Condition
New
Cordless Tool Type
Angle Grinder
Cordless/ Corded
Cordless
Electronic Speed Control
Yes
Grinder Switch Type
Sliding Switch
Included
Second Handle,Tool Bag,Wrench
Maximum Speed (rpm)
8500
Motor Type
Brushless
Number of Total Batteries Included
2
Power Tool Features
Adjustable Handle Position,Blade Guard System,Electric Brake,Side Handle
Product Weight (lb.)
5.5 lb
Returnable
90-Day
Tools Product Type
Power Tool
Variable Speed
No
Voltage (volts)
18

Warranty / Certifications

Certifications and Listings
UL Listed
Manufacturer Warranty
5 Year (Tool), 3 Years (Battery)

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
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Customer Reviews

  • 4.9
    out of 10 reviews
  • 100% recommend this product
Filter by:
Showing 1-10 of 10 reviews
Like other Milwaukee grinders I've owned, this one is great. Cuts, grinds, and sands without bog...
Like other Milwaukee grinders I've owned, this one is great. Cuts, grinds, and sands without bogging down. Cuts through rebar and square tubing just fine! This is the first one I've owned that has braking and it's definitely nice to have as it stops spinning within a second or so. The clip on guard provides some added protection from sparks and debris. It's easy to remove yet stays firmly in place during use. Battery life with the included 6.0 batteries seems acceptable - I haven't run it non-stop on a single battery so I honestly can't comment on this. My only complaint is that the guard is a little deeper than what I've had on other grinders, so it can get in the way when using cup wheels. Other than that, it's a fantastic grinder!
by
  • Recommended
MILWAUKEE M18 FUEL 18-VOLT LITHIUM-ION BRUSHLESS CORDLESS 4-1/2 IN./5 IN. BRAKING GRINDER KIT W/S...
MILWAUKEE M18 FUEL 18-VOLT LITHIUM-ION BRUSHLESS CORDLESS 4-1/2 IN./5 IN. BRAKING GRINDER KIT W/SLIDE SWITCH AND TWO 6.0 BATTERIES. NUMEROUS OPTIONS FOR THIS GRINDER. I LIKE THE PORTIBALITY OF THIS UNIT AND THE FACT THAT YOU HAVE TWO BATTERIES AT YOU DISPOSAL WHEN ON THE JOB. THE CHARGING IS FAST AND LASTS A LONG TIME. NY FIRST USE WAS TO CUT A TILE AND A PIECE OF CEMENT ON THE BACK PORCH. PICTURES ATTACHED. I LIKE THE OFF SWITCH BRAKE FEATURE AND THE CONVENT CARRYING CASE. A VERRY GOOD PACKAGE.
by
  • Recommended
I think this is a good grinder but I wanted it to have something more comparable to my 5 inch cor...
I think this is a good grinder but I wanted it to have something more comparable to my 5 inch corded grinders and, with the big 6 amp hour batteries that came with it it is much heavier and not as handy, except no cord. I also have the 9 inch cordless Milwaukee and this is a little lighter but uses the same batteries. The 9 inch also has a keyless nut that holds the disk on which is handier than the one that needs a tool on this one. It works well, however. I put a metal cutting disc in mine and cut off a couple of large spikes in the wall of a storage room (couldn't pull them). They were more than 1/4 inch diameter and this went right through them. Power is high but at the expense of weight. But it is a good grinder I put in pictures of what you get laid out on a table, what it looks like when you open the bag inside the box and all the packing materials. I thought there was plenty of packing - but everything arrived in good shape.
by
  • Recommended
This is a nice set. The Milwaukee Braking Grinder feels heavy duty. The kit has some weight, but ...
This is a nice set. The Milwaukee Braking Grinder feels heavy duty. The kit has some weight, but most of the weight seems to be the two 6 amp hour batteries. The grinder feels solid and the motor head has a good weight to it on its own. This kit includes everything except the grinding wheel. It depends on what you plan to use it for which grinding wheel you would want. Can be used with: sanding discs, grinding wheel, wire wheel or wire cup brush. It comes with a 5 inch guard. The instructions say only use 5 inch grinding wheel with 5 inch guard. If using a 4 1/2 inch wheel you will need to purchase the 4 1/2 inch guard.
by
  • Recommended
Not too many tools make me smile right outa' the box, but this MILWAUKEE M18 FUEL CORDLESS GRIND...
Not too many tools make me smile right outa' the box, but this MILWAUKEE M18 FUEL CORDLESS GRINDER KIT is a genuine joy! The guard was a tiny bit of a challenge to figure out, but once I did I put on a chain saw disk and off I went to battle some of my evil bamboo trees. And chop it did! OM-aching-G! This MILWAUKEE GRINDER went thru the bamboo trees in my yard like butter with PLENTY of POWER and power to spare. It was like 138 degrees out there today (hot), but it was almost like I was having fun. Yeah, I was smiling. I got the kit that comes with EVERYTHING (except the disks) including a charger and two battery packs. If you buy this kit, you will be smiling too.
by
  • Recommended
I really like this cordless grinder. It makes some of the jobs I've had to do so much easier. Jus...
I really like this cordless grinder. It makes some of the jobs I've had to do so much easier. Just the fact of not having to have an electrical outlet or cords makes it a game changer. The grinder has plenty of power and during the times I've used it so far I haven't come close to wearing the batteries down. The batteries are a bigger 6.0 Ah size so they can go a little longer than normal and the indicator is nice as well. The handle can be switched from right to left depending on which hand you like to use. The grinder is a little heavy but no worse than dragging a grinder and cord around. Has a shield for the bottom, but I don't use that too much. The batteries don't take that long to charge either (I got a full charge after about 30 minutes). Comes with a nice tote as well.
by
  • Recommended
The M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Braking Grinder Kit w/Slide S...
The M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Braking Grinder Kit w/Slide Switch and Two 6.0 Batteries by Milwaukee Is quite the power house for a 4 inch grinder. Size wise, it is slightly larger than its competitor. Weight wise, it is slightly heavier. Length wise it is slightly longer, due to the angle of the battery. Power wise, it is stronger and the braking system stops the grinder blade faster. I like the slide switch over the paddle for how we use it. Price wise, it is a little pricier, but it is a lot more machine than the other hand held grinder that we use. Excellent job guys, no complaints here.
by
  • Recommended
I like how Milwaukee push the innovation forward so hard that they constantly brake boundaries of...
I like how Milwaukee push the innovation forward so hard that they constantly brake boundaries of what's possible in the power tools. With them it's been constant push for innovation to the point of perfection in terms of engineering design, materials used, manufacturing process and price on the market. I've used about a dozen grinders, corded, cordless, even gas operated ones and I have pet peeves with each and every one of them for quite essential or small things. Milwaukee did address all of them with this grinder, and I can't find one single thing to point out and say that I am not crazy about. This grinder has the new Powerstate motor, which has been groundbreaking for efficiency and efficacy in power tools. Combined with the Redlink Plus management, and RedLithium high output batteries it delivers a tool that has the best run time at peak power, running at lower temperatures, conserving most energy and adding longevity to battery life unlike any other tool on the market. It is a very well designed system for peak performance, energy management and torque balance, that it is really an understatement to call this just a grinder. Shell is pressure molded glass fiber reinforced polyvinylidene fluoride (seemingly around 30%) with heat formed styrene-butadiene rubber wrap for better grip. Both are well resistant to abrasion, heat and tearing, but most of all to oils and acids as this tool normally will be exposed to oil residue which, in turn, degrades the rubber. The tool with the battery is very well balanced in the hand around mid point in your grip and this helps alleviate a lot of fatigue working for longer periods with it. The side handle is extremely well insulated from vibrations. The tool is hefty at 3.5 lbs (1.6kg) without the battery and 5.5 lbs (2.5kg) with the XC6.0 battery. It is very manageable and operating with one hand is save and well controlled, which is both one of the main types of usage and also advantages of this tool. Using ALWAYS proper protection, you can make a very controlled and precise cuts or grind. This is a tool that is well prepared with 8500RPM to take on and cut a rail road track, yet refined to clean up fine welds. It can work with any brand 4-1/2 in. cutting type 27 wheels up to 5 in. type 1 grinding wheels. The guard is metallic type 27 and plastic clip-on guard for type 1. Max capacity is 5 inch at 1/4 inch thick disc. The guard has 3 positions and changing between them is extremely easy - simply press on the retaining lever on the collard and rotate it to the desired position for left, right or center cutting. The spindle is a standard 5/8"-11, showing a very fine millwork and machining. Milwaukee did a phenomenal job on the clutch and transmission, featuring the new Rapidstop brake, which stops the disc upon release of the switch and prevents any kickback. At max rpm for 3 minutes I registered only a barely noticeable increase in temperature of the gear housing. The electronic clutch also has an integrated overload protection to protect the motor and prolong its life. This version is with the slide switch, which I much more prefer than the paddle switch, Milwaukee have both versions at HD, as well as a more expensive version with XC8.0 batteries for extra heavy duty work, which in my opinion is a little redundant. The slide switch is very haptic and precise, it provides an very tactile and distinct feedback when it engages, can be locked, and lock is safe and noticeable. Disengaging it is right at the point where it is between featherlight, yet holding it enough so it does not disengage randomly from vibration. If the tool is dropped from a foot, the lock disengages and Rapidstop engages immediately. Very safe operation and excellent design on this switch, something that I have not seen on other competitors. The tool comes with 2x XC6.0 batteries and rapid charger which provide plenty of torque and power to take on tough jobs that you may come across on a job site. I know a lot of guys out there are going to use this to cut tiles and I saw that the ventilation openings have very fine dust covers, I assumed, particularly for that purpose. The tool is compatible with any M18 batteries, but if you're using it professionally for prolonged tasks, I strongly recommend the RedLithiumXC6.0 batteries. This is a no-joke 6Amp tool, that is the equivalent to corded 11Amp grinder and it will drain small standard batteries in no time. The One-Key is a very nice feature and I believe all tools should have it. If you're buying this tool professionally, you'll have the information about the tool at your fingertips through the app on a phone, or a computer, plus added security to tools is one of the requirements to alleviate some business insurance costs. Additionally, it provides a more in-depth information of the usage of the tool in case of a warranty claim in the 5 year warranty period of the tool or the 3-year on the batteries. The tool comes a sturdy Milwaukee tote, with reinforced zipper opening. I don't know who made them, but nice stitching on the logo. Excellent work all around on this tool and accessories. The tool comes with a sturdy box so online ordering is certainly a viable and safe option, all parts inside are well protected. Up to date, although this is one of the top priced grinders, I am convinced this is the BEST grinder on the market, outperforming all cordless and majority of the corded ones out there and providing more value for its price. Not only it brings top materials, craftsmanship, engineering design, to the market but but also very safe operation, well thought out and future proof tool that is going to last a lifetime.
by
  • Recommended
Well finally a new Milwaukee M!18 FUEL (one Key tracking) lithium-ion brushless cordless 4 1/2 in...
Well finally a new Milwaukee M!18 FUEL (one Key tracking) lithium-ion brushless cordless 4 1/2 inch or 5 inch blades, withy braking grinder kit and slide switch even comes with Two 6.0 cordless batteries and charger. Finally got the Cordless grinder I have been wanting as seems like the cord is always a pain when you get used to all the other cordless tools I have been using. Really like the braking of the blade when you turn the grinder off blade stops spinning in a few seconds, not like the old ones that keep up for a minute or two. This grinder has great power and make quick work of most grinder jobs I do. Now this is at the top of my list for grinders. Great job Milwaukee
by
  • Recommended
IMPRESSIVE - Another awesome power tool from Milwaukee! In April of 2019, I became the owner of a...
IMPRESSIVE - Another awesome power tool from Milwaukee! In April of 2019, I became the owner of a high-quality competitor’s corded angle grinder and was very impressed with the performance I saw. When I saw the specs of this CORDLESS grinder, I was amazed! My corded grinder has a 10 Amp motor but this grinder generates 11 Amps of corded power. That’s right – the battery-operated tool is significantly more powerful than the corded tool! But wait … there’s more. The motor is brushless and – according to Milwaukee – will provide up to 10 times longer motor life. That equates to money in the pocket. The RAPIDSTOP Brake provides stop times under 2 seconds with an abrasive disc on the grinder. The housing and gears are metal, as you would expect. There’s a 5-year tool warranty and a 3-year battery warranty as a bonus! Speaking of the battery, Milwaukee included 2 of their newest and most powerful batteries in this kit. The new battery (XC6.0) provides 50% more power than the previous model (XC5.0). All that extra power required a slightly larger battery. The XC6.0 is about 1” longer, ½” taller, and weighs about 13 oz. more than the XC5.0. Since I don’t use a grinder that often, the added weight doesn’t bother me but if I had to use one quite frequently every day, it might. Hauling around almost an extra pound in my tool bag is noticeable. For the extra battery life, I think it’s worth it. Speaking of weight, Milwaukee says that the tool and battery weigh 5.5 lbs. The kit contains the grinder, 2-M18 high output XC 6.0 Ah batteries, 1 M18/M12 charger and a spacious contractor carrying bag that the just over 16” grinder easily fits in. The screw-in handle is very comfortable to hold and can be attached on either side of the grinder. The tool is supported by the Milwaukee ONE-KEY Tracking and Tool Management System – a free app that provides inventory management functionality. If you want/need a new grinder, this is the one you want! For any spouses out there who are looking for a great present, you can stop here – everything needed is in the box!
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  • Recommended
Showing 1-10 of 10 reviews