DEWALT Diamond Blade, Tuck Point, 4-1/2-Inch x 1/4-Inch (DW4740)

The media could not be loaded. Speed: A+Control: A+Ease of use: A+Speed of mortor removal: A+Durability: A+I used this to remove all the mortor from my brick steps, and it went fast. You can be precise and go slow, or fast and, and an entire joint in one pass. Great for amateur or professional.Even if the original joint was too wide or too narrow, you can make perfect lines with this blade.If you need to repair mortor, this is the best blade I've used. I used an oscillating tool to get into tight spaces, but that takes forever, regardless of the tool.I thought mortor removal would be the hardest part of the job, but it was the easiest with this blade.Dust control: well, depending on the side of the job, this is an issue. I was doing over 13 steps and two platforms with vertical, horizontal, edge, and corner areas. Thus a dust control guard with vacuum/ dust collector attachment was not possible to reach small spaces. However if you are doing a simple patio, or have mostly horizontal or long vertical surfaces, maybe it's worth considering. I was working by myself and using the angle grinder alone-without the dust collector-it got taxing on my hands and forearms. I can't imagine how harder it would be to move it around if it had a dust collector and hose attached.Simply put, move your cars, wear glasses and ear protection, and keep an electric blower or air compressor hose handy to blow the work area. Or a hose with water. Also, there was so much dust I needed to wear a respirator (painting mask). An N92 or dust mask will be insufficient, as I tried this and clogged my nose and mouth with dust. Cover your ears too, or they will fill with dust.It makes so much dust it looks like it snowed in a 50ft radius around my work area. I did it in Florida heat, and still covered every inch of my body, especially my head, using a bandanna so my hair was not covered in mortor particles and fine dust. I also wore a respirator even though I was outside.Further to note: my angle grinder, despite cleaning it each day with compressed air clogged the switch and made the tool inoperable from dust. However since my DeWalt is a professional model I could rebuild the switch easily, however it did take away from work time. Either way, you must clean your tools with this type of work or the dust will kill them, just like any brand. Dust = tool death. Any professional will tell you this.Simply taking apart and cleaning the switch did not work. Using wet Lube or grease did not work. I used Dry Lube and it not only worked, but after the job I disassembled the switch to inspect it, and the switch didn't collect fine dust and worked perfectly. See video.For doing steps I highly recommend an angle grinder with a 3 point handle attachment, which is hard to find these days (maybe for legal reasons). I recommend this because the tool will be perpendicular to the tuck groove you are removing mortor from. (pictures will demonstrate).I'm sure any angle grinder will work fine, but I can almost gutantee you will kill it if you don't get a good one for this job. 120v corded should be the way to go due to the durability, power, and time you will operate the angle grinder. You will have a heavier tool if it is battery powered, and I'd say you need at least 4 batteries constantly charging, somewhere completely away from the dust if you go that route, if you don't want downtime.Overall these types of blades are very expensive, and this one is a solid one piece diamond blade, that is not too thin, so you only have to make one pass to clear the joint. Other brands are too thin, and you have to make several passes. The new style from DeWalt also is different, and not a solid one piece design.Also, since this blade is so thick you can easily shape brick/ rock etc. As you work without changing blades.DeWalt makes a new updated style tuck point blade for removing mortor, but I see no need for spending that type of cash when this one is sturdy, doesn't bend on a bad angle, and works flawlessly.Any claim of removing mortor faster with the new style VS. this old style, well may not be noticed by a do-it-yourselfer, or even a professional, because this blade works so fast, the only thing slowing it down is the operator. Also, any faster and you probably won't be able to see what you are doing without a dust collector.Please note: if you are buying a tool specifically for steps, a larger blade and tool may make your life easier, as it could then reach the riser joints easier due to the larger blade.Durability and Wear: A+ this blade was punished for days on end, and it barely shows any wear.

Excellent blade! This blade is superb for tuck point work. it works very well in my Makita grinder and my Boschgrinder. If you have brick motar maintance to do this is the blade you need to make your work much much easier and to do a neat and professional job. Highly recommend this blade.

Worked great re-pointing my front steps. Definitely wear eye protection and a dust mask. After about 50 bricks I can see zero signs of wear on the disc's cutting edges.

I've raked out a bunch of mortar joints and it's still going strong.

Works well, would buy again

Amazon review 10/3/2020 for the DEWALT Diamond Blade, Tuck Point, 4-1/2-Inch x 1/4-Inch (DW4740). This blade does a good job of removing mortar between bricks and concrete blocks. It's trickier to use on the short verticals w/o damaging the next brick/block. One must still do manual chiseling at those points. This tool is better than using a chisel and hammer overall. There's less damage to the brick or concrete blocks. In fact, I find it near to impossible to chisel out some mortar. Be sure to fully protect yourself while using this product. It generates a very large cloud of highly toxic silica-laden dust. At the very minimum, equip yourself with a N95 mask, non-vented safety goggles, and an impact face shield (not a thin one used for chemical splash avoidance). Long sleeve heavy work shirt, long pants, shoes/socks with no exposed skin to avoid flying chips. Pro's will be using full face ventilators and that is something to consider as well. Keep your body out of the line of the spinning disc, and use the appropriate safety shield on the tool. Overall, a recommended product.

It works great for removing mortar 🧱.

Bought this to do a 45x10 foot wall in a DC row home that need tuck point due to water damage. Worked great and lasted for the whole wall. I followed my tools instruction for work and rest time and had not issues with over heating or wear. Noticed that it will spark when it hits stone. My wall had some stones in the mortar and I noticed that is will spark when hitting stone. Does cut through the brick easily. Noticed this when a couple of the joints were smaller that the thickness of the blade.