Grinders

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Was  $69.00
$59.00 / each
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Makita 7.5 Amp 4-1/2 in. Angle Grinder

Model # 9557NB

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$29.97 / each
Ryobi 5.5-Amp Angle Grinder

Model # AG4031G

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Was  $99.00
$89.00 / each
Save $10.00 (10%)
DEWALT 11 Amp 4-1/2 in. Angle Grinder

Model # DWE402W

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Was  $99.00
$89.00 / each
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DEWALT 120-Volt 4-1/2 in. Corded Small Angle Grinder

Model # DWE402W5

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$149.00 / each
Makita 15 Amp 7 in. Corded Angle Grinder

Model # GA7021

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Was  $79.00
$69.00 / each
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Makita 7.5 Amp 4-1/2 in. Paddle Switch Angle Grinder

Model # 9557PB

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$127.99 / box
DEWALT 8 in. 205 mm Bench Grinder

Model # DW758

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$39.97 / each
Ryobi 6.5-Amp Angle Grinder

Model # AG4531G

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$99.00 / each
Milwaukee 11 Amp 4-1/2 in. Angle Grinder

Model # 6146-30

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$54.00 / each
Makita 6 Amp Corded 4 in. Angle Grinder

Model # GA4030K

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$108.99 / each
Makita 3.5-Amp 1/4 in. Die Grinder

Model # GD0601

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Average rating for Grinders
(4.3 / 5)
1,208 Reviews
  1. 3 months ago
    Rigid Grinder
    I got two of these on sale for 60 bucks and have used them a lot more than I thought I would. Im not a big fan of rigid but it was a good deal. Not as good as makita but still a good solid grinder.
  2. 2 days ago
    Reliable tool
    Using Ridgid products for years. Very satisfied with quality and reliability of this grinder.
  3. 7 months ago
    Good tool, reasonably priced, crummy instructions
    This is a powerful, well-made tool. That being said, the Operator's Manual included with the grinder is in a world of hurt. There were NO instructions on how to remove and replace the grinding disk or how to lock the power switch so the grinder runs continuously, allowing the operator to get better control of the tool. I had to figure these things out on my own.
  1. 3 years ago
    Very reliable tool.
    Easy to use, heavy duty angle grinder, would recommend this tool.
  2. 3 years ago
    Makita4-1/2 in. SJS High-Power Angle Grinder This product has great features
    very easy to order,great reply to my e mail for shipping and tracking info .had it shipped to KEN S. in another state for a gift all went perfect thank you
  3. 3 years ago
    Great product, looking forward to using this on a variety of projects.
    I will use this grinder primarily for log home refinishing. The variable speed control will help keep the grinding discs/ sanding pad, from digging in when it runs over softer areas of wood. This grinder is lighter in weight than one might expect, reducing the fatigue of heavier grinders. I really like the smooth start up and shut down.
  1. 1 year ago
    Great grinder
    Effortless quartz cutting. Smooth with almost no vibration or arm fatigue. The shock absorbing handle works wonders. Best grinder I ever used. Save wear and tear on your body that come from buying cheap poorly made grinders and get this one, you will not regret it.
  2. 1 year ago
    Good tool
    Overall its a good tool. Two slight irritations, they shortened the cord length (compared to the 4 1/2" variable speed grinder, which they discontinued making), and the on/off switch is very close to handle, and with wearing gloves, it can be a little tricky turning on and off. (4 1/2" grinder had paddle switch which was very easy to use). Did I tell you they discontinued making that model?!!!!
  3. 1 year ago
    Love this drill
    This drill has done every job I've asked it. I use it mostly for sculpting rock - diamond blades, carbide rock bits...it works perfectly and the variable speed is essential.
  1. 2 years ago
    A solid grinder for the M18 family
    This review is a comparison between the last generation wired Milwaukee 4 1/2" grinder and their latest M18 cordless offering. I've used a Milwaukee angle grinder for everything from cutting & grinding concrete to smoothing out rough-cut metal. Unlike a drill or a saw that operates linearly, a grinder needs the freedom to change angles quickly and often as an operator makes changes and adjustments to the workspace on the fly. This presents a perfect opportunity to go cordless, and Milwaukee has ... read more taken the bait. PACKAGING The Milwaukee 2780-20 grinder comes with a chuck tool, one battery, one charger, and a wider guard for thicker grinding disks and brushes. The first thing that immediately caught my eye was the single battery. I am a big advocate of two batteries, so that when one runs out, you've got a charged one ready to go. But my concerns were alleviated when i realized that this was an M18 product. More on that below. One thing that was obviously absent was any actual disks to go with this grinder. This means that to actually USE this grinder, you need to go out and buy the grinding disks and cutoff wheels you need. Not a big deal, as every user will buy this for a different reason. Another thing that is immediately evident is the size of this case. Measuring at 18.5" x 14.5", this thing is a small suitcase, in stark comparison with the cardboard box my last grinder came in. As you can see, the charger takes up the a large portion of of the case. M18 TECH This grinder features the much touted Milwaukee M18 battery 18V technology. Featuring low temperature operation and double the lifetime of competing products, the M18 battery line is sure to please. There are close to a dozen tools featured in the Milwaukee cordless tool line that make use of these M18 batteries. The Red Lithium (LiIon) Battery pack has a fantastic feature where with the press of a button, you can see the battery level of the battery pack. This means you'll never be caught off guard with a dead battery in the middle of a project. No need to carry spare batteries with you to the work site. The downside is that these batteries are pretty hefty in weight. One XC4.0 battery (included) weights a whopping pound and a half. Additionally, the chargers are meant to be universal for all of the M12 & M18 product lines, meaning that they'll be unusually large, and host additional charging ports that are of no use for this product. GRINDER COMPARISON The M18 cordless grinder weights in at nearly 6 LBs (!) which is noticeably more than his cordless sibling (4.5 LBs). However, when you remove the M18 battery, the grinder's weights are nearly identical. Unfortunately, this means that your arm will become fatigued quicker with the cordless model in exchange for the cordless freedom. Another feature is that the cordless grinder accommodates up to a 5" grinding disk/wheel. The corded version maxes out at 4.5." However, Home Depot only caries 4.5" disks, so i'm not sure this is much of a benefit. The cordless unit is also over 2" longer, mostly to accommodate a better sense of balance in the unit. PERFORMANCE This is my first M18 tool. I wasn't sure what to expect. However, i'm quite pleased with the performance. I had no problem cutting concrete with a cutoff disk. The battery held up to quite a load, and didn't excessively strain the motor with even a large amount of pressure against the concrete. The cordless freedom is definitely appreciated, as you have limitless range and mobility. The all rubber grip allows for easy holding of the grinder. There is no kickback when powering on this tool. However, this unit is surprisingly noisy for a battery operated tool. SUMMARY From what i can tell, this cordless unit works just as well as its corded brethren. The M18 battery technology is impressive in its longevity. But then again, it should be for its size and weight. This mobility comes at a price premium. The grinder itself is well balanced, and easily usable. But at over 16" long, it is unwieldy without the handle installed. Surprisingly loud for a battery operated unit. The extremely large plastic case comes with an oversize charger, yet doesn't have much room to store spare disks & wheels. Overall, a solid addition to the M18 family.
  2. 1 year ago
    good as advertised
    So far so good, I have tore up some grinding wheels cutting old steam heat pipes and the battery lasts longer than the wheels.
  3. 3 months ago
    Very awesome impact!
    Great product this is my third one I have bought and love them. Way stronger then the snap on I used to have and last way longer
  1. 2 years ago
    pipe plant
    We've got two of these one for the female and male side inspection of oil field drill pipe these things have been turned and burned for over 5 years with no problem. The only problem is I can't seem to find one for myself!! You know it's a good product when there sold out at every hardware store.
  2. 3 years ago
    Great small grinder
    I bought this grinder in 2010 after a much cheaper brand melted on me and caught fire. I could not be happier. I've beat this grinder for hours and days at a time and it takes everything I throw at it, from cutting steel and cast iron, to grinding metal, to cutting brick and block and concrete, to wire wheeling rust scale... All the while being run for hours straight in the sun, choked with brick and mortar dust, and dragged through the dirt. Even when I push hard it barely slows down, and has ... read more never given me a single problem. I wish it had come with a case but that's a minor detail, Whether you are an amateur or a pro, this little grinder will not disappoint.
  3. 1 year ago
    Really solid unit
    I borrowed one of these from a friend to cut ~200 cinderblocks to build a wall. After my wall, I kept it for a while and used it for countless other cutting jobs including rebar, frozen bolts on my truck, steel brackets. When he asked for it back, I had to go buy one for myself. I think 10-Amp is really about the lowest you'd want because as the blade dulls, even 10A is only just enough to do the job. The handle can be moved to right or left side, which is great depending on the job. This tool ... read more is really great.
  1. 3 years ago
    Great price and Milwaukee quality
    I don't think you can beat this little grinder for the money. It has plenty of power, and at this price with a 5 year warranty! I plan on using this little baby a lot.
  2. 5 months ago
    Switch location a problem
    I purchased this after doing online review of best grinders to buy. Very highly reviewed and number 2 rated for 2015. Great grinder, not sure of longevity yet but I have already used it a lot. The only reason not a 5 star rating is the on/off switch is located on the top which is great for starting, but is easily bumped by your hand turning it off, especially if using it single handed.
  3. 3 months ago
    Great piece of equipment!
    Was unsure what to get for a home project of redoing my master shower and tile, also needed to cut drain pipe and sought out the help of an employee who pointed me in the right direction! Didn't try to oversell me, unlike a lot of other chain stores, and boy was he right on the money! A couple days later I was back in the store and ran into him, thanked him for being so true to his word and commented him for a excellent job well done!
  1. 9 months ago
    Great common sense features
    This is now my 'go to' grinder for most welding work. There's several features that make it better in my opinion, small things, but they make a difference to me. One is the braking. I never realized how much time I spent waiting for my other grinders to spin down, and of course there was always the occasional 'oops' when the grinder disc hit something while still spinning. It stops FAST. I measured about 0.8 seconds with a 5" cutoff wheel, and about 0.6 seconds with a lightweight 4.5" sanding ... read more disc / pad. That's faster than I can put it down. Then there's the fact that it sits flat and stable upside-down. It also sits flat face down, but that's not how I set mine down. These two things make start and stop grinding a lot faster. The attachment nut is tool-less, which makes it faster to change out. I also found out that it does not get 'stuck' like a normal nut if you hang up a sanding pad. Apparently the nut has some kind of clutch in it, and you can actually feel it when you tighten it. The safety guard is adjustable without tools, and has a neat feature where you can push a lock button and rotate the guard to the desired position. This grinder is quieter than any other grinder I have. I think it's because of the brushless motor. I still (always) wear ear protection, but it is a noticeable and welcome difference. The other nice things are the side handle, which is cushioned and reduces vibration; the paddle handle is easy to use, and the safety switch is easy to operate even with welding gloves. Power is very good, on par with my high-end corded grinders. Battery life is good, and of course the Milwaukee batteries are easy to swap even with gloves on. Weight is ok, a little on the heavy side, but that's the trade-off with a battery powered tool. It comes with the normal Milwaukee items, dual charger, case, plus a couple of big ol' XC 5.0 batteries, and both T1 and T27 guards. The only thing I wish Milwaukee would include is a 12v auto charger, since this tool is perfect for the remote job site, and I would love to have it in my emergency off-road trail kit.
    Seeds Program Review
  2. 6 months ago
    Another quality Milwaukee Tool
    Milwaukee continues to be my favorite power tool manufacturer and this tool is just another reason to support my opinion. The weight is great and the grinder is very powerful. As with all M18 tools the battery is long lasting and provides enough time to get serious work done. I have used this for light grinding on aluminum windows to heavier fabrication work while repairing steel gates at my house.
    Seeds Program Review
  3. 9 months ago
    great grinder
    First of all, the kit comes with everything that would need except the blade, which I do not find fault with at all. Two 18 volt batteries that came with it, didn't take that long, in my opinion to charge. This made it possible for me to finish everything I was doing quickly. Also not having a cord to trip over, while you are concentrating on project is a great thing.
    Seeds Program Review
  1. 2 years ago
    very pleased with the balance of the tool
    the easy adjustable guard is a great feature. also the trigger works nicely
  2. 2 years ago
    Well built grinder
    Quality product that works like a charm, Runs smooth and will last.
  3. 2 years ago
    Very good Grinder
    Very happy with the quality and price of the grinder
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