Model # R4120

Internet #100618246

Store SKU #187336

RIDGID 15-amp 12 in. Compound Miter Saw with Laser
0648846053233

RIDGID

15-amp 12 in. Compound Miter Saw with Laser

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Product Overview

The RIDGID 15 amp 12 in. Compound Miter Saw with Laser features a heavy duty motor that delivers up to 4000 RPM to help you power through hard woods and tough jobs. You can make bevel cuts from 3 to 48 degrees and miter cuts from 0 to 50 degrees for versatility for a wide variety of cuts. The Exactline laser alignment system makes it easy to align the blade with the cut line.

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  • 12 in. blade with 1 in. arbor for easy blade changes
  • Laser guide to help you accurately follow cut marks and keep the saw aligned with the cut
  • Sliding left fence to support taller materials and adjust for bevel cuts
  • Soft-touch controls for comfortable operation and grip
  • Front-mounted clamp for securely holding the material in place
  • Left side table extension for material support
  • 2-1/2 in. dust port to connect to standard dust-collection systems to help keep your work area clean
  • UL listed
  • 3-year manufacturer warranty
  • Lifetime service agreement with registration within 90 days of purchase (begins after the warranty period expires)
  • UL listed
  • Click Here to Register Your Product

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Price
$135.24 /each
$299.00 /each
$399.00 /each
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Name 15-Amp 10 in. Compound Miter Saw with Laser 15 Amp 12 in. Dual Bevel Miter Saw with Laser 15 Amp 12 in. Sliding Compound Miter Saw 15-amp 12 in. Compound Miter Saw with Laser
Brand Professional Woodworker RIDGID DEWALT RIDGID
Ratings (4) (46) (39) (84)
Miter Saw Type Compound Compound Sliding Compound Compound
Cordless/ Corded Corded Corded Corded Corded
Blade Diameter 10 in 12 12 12 in
Bevel Type Single Dual Dual Single
Power Tool Features Electric Brake,Laser Guide Laser Guide,Positive Stops Positive Stops
Maximum Cutting Thickness (in.) 5.0 6.75 6.75 3.5
Reconditioned No No No No
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Customer Questions & Answers

8 Questions41 Answers

Customer Questions & Answers

15-amp 12 in. Compound Miter Saw with Laser
15-amp 12 in. Compound Miter Saw with Laser

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8 answers

Does this saw bevel right & left?

This question is from 15-amp 12 in. Compound Miter Saw with Laser
Asked by
dl
Traverse City
August 5, 2012
RIDGID 15-Amp 12 in. Compound Miter Saw with Laser
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Answers (8)

Asked by
New Hampshire
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Home Improvement Profile: Professional
May 28, 2014
Answer: 
No, it is not a dual bevel saw.
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Asked by
Georgetown, TX, USA
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May 16, 2013
Answer: 
Bevel Cuts are left side. The Miter Cuts are Left and Right to 48 degrees.
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Asked by
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May 10, 2013
Answer: 
both
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Asked by
connecticut
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January 10, 2013
Answer: 
Left only
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Asked by
Carterville, IL 62918, USA
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October 29, 2012
Answer: 
No this saw only bevels to the left. It miters both directions.
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Asked by
Mr. Portland
Portland, OR
October 25, 2012
Answer: 
How long does a repair take with the lifelong warranty? Will I need to buy another one or rent because some places take weeks and weeks to do some warranty repair.
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Asked by
Corona, CA, USA
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August 10, 2012
Answer: 
Yes, it bevels right and left. Whenever a miter saw is labeled "Compound" that is what it means.
Definition from Wikipedia: A compound miter saw has a rotating vertical pivot allowing the cutter head & blade to be tilted (or beveled) sideways in addition to the horizontally rotating table. This allows vertical & horizontal angled cuts as well as cuts angled in both planes.
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Asked by
Read all my Q&A
August 6, 2012
Answer: 
No, the RIDGID R4120 is not a dual bevel model miter saw. It is has left bevel capability only.
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7 answers

Does this saw have a brake?

This question is from 15-amp 12 in. Compound Miter Saw with Laser
Asked by
Bobby
Jasper,IN
February 15, 2013
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Answers (7)

Asked by
Fort Collins, CO
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Home Improvement Profile: Professional
April 17, 2015
Answer: 
Yes but with a questionable history of going bad and being extremely difficult to get covered under warranty.
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Asked by
New Hampshire
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Home Improvement Profile: Professional
May 28, 2014
Answer: 
Yes, it features an electric brake.
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Asked by
Georgetown, TX, USA
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May 16, 2013
Answer: 
It has an electric motor break. It is a great saw.
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Asked by
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May 10, 2013
Answer: 
no
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Asked by
Mechanicsburg, PA
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March 21, 2013
Answer: 
Yes
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Asked by
Littleton, MA
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February 16, 2013
Answer: 
No brake on this saw.
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Asked by
connecticut
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February 16, 2013
Answer: 
No it does not
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6 answers

how to install laser

This question is from 15-amp 12 in. Compound Miter Saw with Laser
Asked by
lon
January 19, 2013
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Answers (6)

Asked by
Fort Collins, CO
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April 17, 2015
Answer: 
It attaches like a thick washer for the arbor nut against one side of the blade.
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November 7, 2013
Answer: 
To Install the laser, follow the same procedure as you would to remove the saw blade. The hex bolt on the left side of the motor holds both the laser and the blade in place.
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Asked by
Mechanicsburg, PA
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March 21, 2013
Answer: 
The laser is a small round device that fits over the spindle. You have to remove/replace it when changing the blade, but a minor annoyance for great benefit.
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Asked by
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January 21, 2013
Answer: 
Those detailed instructions are provided under blade installation, on page #17 of the owner’s manual.
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Asked by
Littleton, MA
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January 20, 2013
Answer: 
To install the laser guide, follow the same procedure as you would to install a new blade. With the saw unplugged from the wall or power strip, pull back the blade guard to reveal a screw. Loosen the screw and pull the guard back a bit further to gain access to the nut holding the blade (and laser). Depress the blade lock button on the opposite side of the blade. You may need to rotate the blade 1/4 turn Read More
To install the laser guide, follow the same procedure as you would to install a new blade. With the saw unplugged from the wall or power strip, pull back the blade guard to reveal a screw. Loosen the screw and pull the guard back a bit further to gain access to the nut holding the blade (and laser). Depress the blade lock button on the opposite side of the blade. You may need to rotate the blade 1/4 turn to find the lock position. While depressing the blade lock button and with the blade in a locked position, loosen and remove the large nut in the center of the blade. Once the nut is removed, you should be able to remove the laser guide. Read Less
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Asked by
connecticut
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January 20, 2013
Answer: 
My laser was on saw
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6 answers

which direction do you turn the blade holding bolt to get it off?

This question is from 15-amp 12 in. Compound Miter Saw with Laser
Asked by
keith777
texas
January 13, 2013
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Answers (6)

Asked by
Georgetown, TX, USA
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May 16, 2013
Answer: 
This bolt is reverse thread, so Clockwise to loosen, and Counter clockwise to tighten.
Standard is left to loosen, right to tighten,
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Asked by
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May 10, 2013
Answer: 
left
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Asked by
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January 14, 2013
Answer: 
Page #17, owner’s manual: Turn blade bolt clockwise to loosen.
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Asked by
connecticut
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January 13, 2013
Answer: 
Hold the lock button and turn the nut in the middle of the blade down word
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Asked by
connecticut
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January 13, 2013
Answer: 
Up words back words threads so that would be to the back of the saw
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Asked by
Littleton, MA
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January 13, 2013
Answer: 
You turn clockwise, but you need to stop the blade from turning by holding the blade stop button on the opposite side of the blade at the same time you attempt to loosen the hex screw holding the blade. If you need more help, there are videos on YouTube for this.
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Customer Reviews

15-amp 12 in. Compound Miter Saw with Laser is rated 4.1 out of 5 by 84.
Rated 4 out of 5 by from Great saw for the price I recently got this miter saw. It went together very easily and required very few adjustments. It cuts beautifully. It went through 4X4 stock like a hot knife through butter. The positives by far out way the negatives and I would get this saw again in a heart beat. I only have two negatives to the saw which is why I gave it a 4 instead of a 5. Both issues are easy to live with. The dust collection only gets about 30% so you will have a serious clean up after use. The second issue I have with it is that the laser line is not where the saw blade cuts. The laser is consistently about 1/16 of an inch to the left of the actual cut. You will get use to that though. You just need to realize it will happen. Overall I am very happy with the saw and would make this purchase again without having to think twice about it. I would highly recommend this to anyone.
Date published: 2008-06-12
Rated 1 out of 5 by from not built to last.... I purchased one of these saws for light duty cutting in our shop in 12/09. I classify light duty as trim work for displays etc.... encountered the following problems. 1) the mitre stops themselves at "0" and "45" have become worn enough that they no longer hold tolerance, tightening the stop only moves the fence clockwise. 2) we have had a problem with thin kerf blades working loose after a short time cutting. Problem was resolved after we went to a 80 ATB blade of better quality. 3) the back stop area is too low for our uses, not any fault of RIGID just makes cutting shorter taller pieces hard. after almost one year of not hard use this saw just doesn't cut straight. Hopefully the warranty measures up to all the advertising that Home Depot does.
Date published: 2010-12-22
Rated 2 out of 5 by from This saw has not been made since 2011 Please be aware that this saw is very old and some of the parts including the mitre locking lever have been discontinued. I have called Ridgid and other parts suppliers and everyone says this saw is very old and the part I needed is discontinued.
Date published: 2016-01-06
Rated 3 out of 5 by from Solid construction but misses on the details I purchased this saw in Feb of '11 for a custom Cedar fence I was building. Right off the bat, I found the overall construction to be very solid. After getting everything unpacked and following the recommended setup instruction I came to find that things needed a little adjusting yet. This didn't come as a shocker as I expect to have to fine tune a couple 100ths here or there. What I didn't expect was to find that I couldn't get both sides of the saw blade to go square to the fence! Adding on the axillary fence extension only made things worse since it's bolt holes were drilled in such a manner that its difficult to get the top flush with the main base nor was the side milled square so the aux fence is slightly out of square. I was able to over come this by setting the right side back a bit and getting the left side flush. I had to file out the main fences bolt holes to allow for a proper alignment. I had to pull the right side of the fence all the way forward and push the left side back to get things close. Once I was able to get things setup square, everything was dead on. Even the laser worked great.... as long as I was sawing in heavy shade, early morning, or at dusk. Otherwise, speed square your line and eyeball the blade to the line during the day. I was disappointed to find that my setup didn't take long to get out of adjustment though. I'm not sure if it is due to the companion Rigid mobile miter saw stand I also purchased. All I know is that I'm sawing away the next day after a full setup and found, after a number of boards were cut, that my settings were off again. All in all, I expected better from Rigid. I own a few of their tools including a 7" grinder and the variable speed hammer drill, both of which I really like. I'm hoping that I can finally get this saw dialed and get the settings to stick. Otherwise, I think I've just purchased a $300 paper weight.
Date published: 2011-03-09
Rated 1 out of 5 by from Buy a better saw! Worked great until I need a replacement part. Rigid discontinued the throat plates and they are obsolete. So if your throat plate wears out, and it will, throw away the saw. They don't make the parts and said "sorry - there is nothing we can do." Can't find any after market stuff either. Look on their website and you can see what I am talking about. I'll never buy a product again that does not sell common replacement parts. Buy a better brand. Analogy: It's like telling your car dealer telling you they don't make your spark plug anymore and no one else does---- So throw away your car and buy another one from us. Don't buy this Yugo!
Date published: 2013-01-25
Rated 5 out of 5 by from Great Saw -- Great Value This is a great saw for the kind of projects that I do - which mostly DIY things around the house. I don't know how the saw would stand up in commercial use but that's not important to me. Setting up the saw was fairly easy. I did not have any trouble squaring the table or the blade. The laser is a nice feature but takes some getting use to. I haven't quite mastered it yet but I think it is just a matter of practice. Compared to other brands this saw has more features that some saws that cost considerably more. I particularly like the repeat-a-cut feature.
Date published: 2012-05-22
Rated 1 out of 5 by from Bent Fence The one piece fence came out of box bent so it's impossible to get an accurate cut. Just spent an additional $45 to buy a two piece fence set up.
Date published: 2016-01-30
Rated 5 out of 5 by from one of the best tools I own I bought this saw 12 years ago. looks like they have made some changes (laser and have gone to a different way to lock the miter) otherwise it looks to be the same saw. I have used this saw a lot. From a large addition to my house, to cutting aluminum, vinyl siding and all sorts of home improvements including moldings. Buy a good blade as that is where the "rubber meets the road". The stops are still accurate, the saw cuts straight and I don't have to mess with it because it stays true. I don't baby this saw, it takes all I throw at it. I would recommend this saw to anyone.
Date published: 2012-04-28
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