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Customer
Comentado en los Estados Unidos el 21 de mayo de 2021
Knockoff trash. All three I ordered snapped off within 5 minutes of use, have used hundreds of these in my line of work and never had one last shorter than a month. There's no way these are real DeWalt bits. Packaging was not the same either.
Joe
Comentado en los Estados Unidos el 17 de marzo de 2020
I used this drill to drill bedrock to install rebar for footers. I also used it to drill concrete walls for drainage pipe. This one bit has about 50 holes and showing no signs of wear yet. Super pleased.
Willy B
Comentado en los Estados Unidos el 22 de agosto de 2016
This is a heavy duty bit that requires a special type of hammer drill. Dewalt does it again and the bit makes drilling holes in concrete a breeze.
John Thomas
Comentado en los Estados Unidos el 2 de diciembre de 2015
We do trail construction as a job, and were using a Hilti hammer drill and these heads to drill out 6-12 inch rock step reinforcements to put rebar through. The Hilti drill we have hammers fairly slowly but I still burned through 3 or 4 heads doing approximately 600-750 drills. We used both bosch and dewalts, and to dewalt's credit there really wasn't much difference in longevity and dewalt's are cheaper. We had a decent amount of cooldown time in between drilling, I just think the rock was extremely hard. Gave it 4 stars because they are cheaper than the similar Bosch bits and the Bosch bits seemed to problems with the bit insert falling out, sometimes quickly.
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