Bosch GCM12SD-RT (Refurbished) – Is This The Best 12″ Miter Saw?

Cut Quality: 5/5
Ease of Use: 5/5
Durability: 5/5
Service: 4/5
Overall Value: 5/5
1/5 Out of 1 Review on Amazon
(Last Updated 9/25/18)
*Currently Unavailable

Type: Sliding Dual Bevel Compound
Right miter: 60°
Left miter: 52°
Right bevel: 47°
Left bevel: 47°
Blade size: 12″
Motor: 15 AMPs
RPMs: 3,800
Weight: 65 lbs

Please note that the Bosch GCM12SD-RT is simply the refurbished version of the Bosch GCM12SD miter saw.  The GCM12SD is one of Bosch’s best miter saw offerings, ever.  It’s not just a top Bosch brand tool, the GCM12SD is among the highest rated 12″ sliding dual bevel compound miter saws available.  If you want a powerful, versatile, and surprisingly compact miter saw, this miter saw is worth a look.  And probably a second look.  Especially if you are able to get a Certified Refurbished model for a significant discount.

Our Bosch GCM12SD-RT Review

Cut Quality

The GCM12SD was designed for accuracy and cut capacity.  Bosch built this saw for accuracy, incorporating major innovations like the Axial-Glide System.  This system was designed with perfect alignment, ultra-smooth cutting action, and of course—accuracy—in mind.  The Axial-Glide System saves space because it doesn’t use a traditional rail setup and can be backed up flush against a wall.

This saw can make a wide variety of cuts.  This cut range is largely due to a 14-inch horizontal capacity, and a 6-1/2-inch vertical capacity.  To further enhance cutting capacity, the GCM12SD has two sliding base extensions that offer enhanced support.

Ease of Use

This powerful saw is surprisingly intuitive and easy to use.  First off, it features Squarelock quick-release fences for simple and precise alignment.  Even more convenient, these fences have a one-touch lock/unlock feature that makes alignment simple.

One of the more appreciated aspects of this saw for ease of use is the all-metal bevel lock lever and range selector located in the front of the saw.  This means you can make bevel adjustments without having to reach around the back of the saw.  The bevel range goes from 0 to 47 degrees to the left and the right, with marked detents at 0, 33.9, and 45 degrees for both left- and right-facing cuts.

To make things even easier, the GCM12SD has a clear lower guard so you can see the cut you are about to make before you make it.


The Bosch GCM12SD-RT sports a 15 amp motor that delivers no-load speeds of 3,800 rpm.  This kind of power provides fast and accurate cuts, with ease.  You can trust that Bosch built this machine with quality and longevity in mind, it will keep going, and going, and going.


Because this is a refurbished product, buyers will not receive the same warranty offered by Bosch at the time of original purchase.  However, buyers can rest assured that Amazon’s Certified Refurbished policy and industry leading customer service will protect them adequately.  Certified Refurbished products by Amazon are guaranteed to be “…tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon…”.

Certified Refurbished products also come with a 90-day warranty.  Amazon further specifies that products “may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer.”

Included in the box:

  • 12″ Blade
  • Material Clamp
  • Blade Wrench
  • 90 Degree Dust Chute Elbow/Vacuum Adaptor
  • Dust Bag

Overall Value

The high ratings across the board make arguing against the value of this saw extremely difficult.  It is certainly in the higher-end price bracket, but so are comparable miter saws in it’s class.  The truth is, most of the time you get what you pay for—with this saw you might even get more than you pay for.  Especially when you consider how much darn work you can get done and how painless that work can be.  And even more so if you save money on a refurbished model.

Our Verdict

If you want a reliable miter saw that can handle just about anything you can throw at it, but don’t want to sacrifice comfort or ease of use, this saw might be for you.  It would be suitable for professional contractors as well as serious D.I.Y. woodworkers—and everyone in between.

Please take a look at Amazon’s price on the Bosch GCM12SD-RT today  Or compare it against the best saws on the market with our comparison chart.

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