Ratings may include incentivized customer reviews.
What Customers Are Saying
The product is generally well-received, with users praising its power, performance, and versatility in handling a variety of tasks such as grinding concrete, cutting metal, and smoothing surfaces. It is described as powerful, light, and ergonomic, making it suitable for extended use. However, some customers experienced issues with the tool overheating, sparking, or stopping working after a short period of use. There were also complaints about the arbor assembly being poorly made, preventing the use of certain accessories. Additionally, the product description was found to be misleading regarding the compatibility of the grinder with certain attachments.
Customer review summary generated by AI, including incentivized reviews.Good tool
Would RecommendLight tool but powerful
Verified Purchaser
Not useful for my intended use.
Would Not RecommendI bought this grinder primarily to use to cut pavers with a diamond cut-off wheel. In the product description on Lowe’s web site for the DW840, in the “Better Together” section, it lists two type 1 Diamond Cut-off Wheels. Perfect, just what I wanted! The on-line pdf of the manual is silent on the use of type 1 wheels on the DW840, so I figured it must be OK. I also purchased Dewalt DW4712, General purpose diamond blade. Then I discovered that the blade sat way too close to the side of the gu...
Works great on block.
Would RecommendVerified Purchaser
Awesome grinder
Would RecommendVery powerful grinder, used to grind concrete and it handled it with no issues.
Verified Purchaser
Be prepared to return anything you buy.
Would RecommendUsed it for 5 minutes until white smoke poured out the vents. Returned it. The Gaylord, MI store did not have another one so I ordered the same tool on line . The second one works fine.
Verified Purchaser
Hello.
Thank you for taking the time to provide your feedback. I'm sorry you weren't pleased with the Angle grinder. Your feedback is v...
smoked after 20 minutes of use
Would Not RecommendBought this along with a dewalt 7” diamond cup wheel to clean up concrete for floor prep . Used it for roughly 20 minutes, after turning it off it began to smoke and wouldn’t work any longer.
We're sorry to hear of the trouble you are having with the DW840. We would appreciate the chance to speak with you and assist you with any questi...
Gets the job done
Can never go wrong with dewalt… very reliable, very affordable.
Verified PurchaserVerified Pro
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