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Your cart is empty.The Dremel 8240 offers high performance and versatility, packaged in a sleek new tool design. As the new flagship 12-volt cordless rotary tool, the 8240 features an optimized battery platform allowing DIYers to comfortably tackle a wide range of home improvement projects without the distraction of a cord. The powerful 12-Volt / 2 AH Lithium-Ion battery provides maximum performance for extended working sessions. The new 8240 provides cord-like power in cordless form giving you the confidence to tackle the toughest of jobs.
KATO
Reviewed in Mexico on March 19, 2025
Todo muy bien
Sergey Ryabinin
Reviewed in Canada on February 9, 2025
A great tool!If you haven't used a Dremel before - it is actually noisy/loud.A huge bonus point: Dremel and Bosch are using the same 12V batteries.
walhumvel
Reviewed in Canada on February 7, 2025
Bought it especially to cut bumper during hitch installation and is awesome! Very powerful and very lightweight. Very easy to maneuver around tight curves. I’m very impressed with this product.
Sheldon Atwood
Reviewed in Canada on January 28, 2025
Exactly what I was looking for.
Eric Douglass
Reviewed in the United States on April 1, 2025
Love it !!I've always wanted one and finally bought one for a project on my truck. Lots of power and easy to use. I especially like all the attachments that are available, I purchased several. A very unique tool for unique projects. VERY high quality too.
Jannie Steenkamp
Reviewed in the United Arab Emirates on June 22, 2024
Great tool to use. A bit bulky but 12v supply with 35000rpm still available its worth it. However keep in mind that Amazon US supplies at 110V so make sure when ordering. I am still looking for a replacement charger to get the battery charged it is so upsetting......
Claudio Puviani
Reviewed in Canada on May 10, 2024
For small rotary tools, Dremel is the Cadillac and this is the top of their line. I already had a 4000, which is almost the same, but corded, but I needed the added portability. Under normal loads, the 8240 feels just as powerful as its corded sibling.One complaint is that the cloth case isn't as sturdy or practical as the plastic case that came with the 4000 and the 8240 is thicker than the 4000, so I can't just carry it in the 4000 case. That isn't serious enough for me to deduct a star.A more important complaint is that not all of the attachments for the corded Dremel fit on the cordless Dremel. The flexible shaft and the mini circular saw, for example, fit the corded model, but the connector is too small to fit the cordless Dremel's shaft. I'm guessing that this is because using these attachments would add resistance that would drain the battery faster, or possibly exceed the available power. I deducted one star for this lack of versatility. If you need to use such attachments, go for a corded model, like the Dremel 4000.The added girth may be uncomfortable for some people. If you have small hands, this tool may feel too big for you. There are smaller, but weaker models available. I prefer to have the extra power and larger battery, even if the tool is chunkier.So, for me, it's a great addition to my corded Dremel 4000, and it's very useful for some types of work or when a power cord just isn't practical. But it doesn't entirely replace the corded model, as I would have hoped. There are still things that the corded model can do that this one can't.
Pyramid
Reviewed in Canada on February 4, 2024
I was really on the fence about going cordless with this Dremel Tool but wow! Power to spare!Not only power but a fully charged battery lasts quite well.The advantages are obvious,* quickly unpack and use anywhere, no need for a plug-in* despite the battery (extra weight and girth), it still is comfortable to use* easily cuts off small bolts, plastics* a huge assortment of bits, grinding, polishing, cutting attachments available at most hardware stores* comes with a nice soft case, battery, and charger
Vlad
Reviewed in Canada on December 4, 2024
Easy to use. Good quality.
Customer
Reviewed in Canada on December 21, 2024
I bought this cordless rotary Dremel to replace my old one which was stolen. The first thing I noticed is this newer model seems well made (more solid than my old model). I've already used it a couple of times and it works great. The price wasn't bad either. I'm very happy with it.
Geezer06
Reviewed in Canada on January 2, 2024
This is my second Dremel, the first being a hundred years old :-} and corded. This one has WAY more power. The new EZ-Lock cutting wheels and mandrels are superior to the old mandrel mounted ones -- cut maybe five times faster. Really. This battery-operated tool is significantly bigger than my old corded one, so is a little more awkward to use, but I can get used to that. LOVE the power, LOVE not having a cord. The nose piece just below the collet unscrews and becomes a collet wrench -- brilliant! No separate wrench needed to change bits (but you still need one to futz with mandrels). Easier to take with me than the corded one--no extension cord. Comes in a nice (but bulky) fabric case with a few accessories No flex shaft, but I have one from my older Dremel tool. I use a Dremel tool on almost every project -- to cut, to sand, to polish. I have the carving burrs and use those often in woodworking. I bought this tool so that I could have two tools, each with a different bit, to save swapping bits in and out, not thinking that it would replace my old corded Dremel, but it certainly has. IMO the 8250 or 8260 are over-priced. The 8240 is not brushless, but I'm not worried about that. And who really needs to control a Dremel tool with a phone? Like, come on!The short story: BUY THIS TOOL.
Ahmed_Alaa
Reviewed in Saudi Arabia on November 9, 2023
جائني مستخدم وبدون بطارية
Jourdain
Reviewed in the United Arab Emirates on November 28, 2022
The item received is pre used, it’s came in original packaging however once opened the item had scratches everywhere and was clearly used a lot before. Quite disappointing as I know have to pay to return the item in order to get a refund!
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