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paforsey
Comentado en los Estados Unidos el 3 de agosto de 2024
Drilled 18 holes in a concrete wall in less than an hour and the drill bits are still in good shape.
Mark
Comentado en Canadá el 19 de agosto de 2023
I used the brill bit with my normal electric brill and they worked amazing. Drilled 10 holes to hang a TV in concrete real fast. Excellent quality and product
Satisfied with
Comentado en Brasil el 1 de abril de 2023
Comprei por recomendação de um artigo avaliando várias brocas para ladrilhos. Estou muito satisfeito com a qualidade deste produto. Eu recomendo para quem quer fazer furos no azulejo.
454Casull
Comentado en Canadá el 17 de julio de 2018
I've only used the 5/16" bit so far, but it's gone through a bunch of holes in cement block like a champ. I'm expecting similarly excellent results from all the bits whether the holes need to be put through block, brick or concrete.The fit and finish is very good, with high-quality brazing holding the carbide inserts in place, and the pointed tip of the inserts work well when starting the hole. The bits are straight enough that I don't see anything problematic by eye during rotation in my cordless hammer drill, though the hammer drill does have a pretty good chuck in terms of runout.Oh, and the best part? The 5/16" bit was able to easily ream out multiple holes in 1/4" mild steel plate (the holes were probably around 0.310" or so) before shooting through the masonry behind the plate. No issues, and gave me a perfect fit for my brackets.Also, they're made in Germany, which helps.
Chad32078
Comentado en los Estados Unidos el 10 de mayo de 2014
Ordered May 2013. Made in Germany, very good quality. I needed to drill 12 total 3/8" holes in my paving stones to anchor a gazebo. Started with the smallest bit and worked up to the biggest. Went way smoother and faster than I expected. I ordered two sets just in case but did not even open the second set. The last hole went just as smooth as the first so I would expect a good life time for the difficult application. I used a super cheapo Harbour Freight rotohammer to the tune of $35 because it would cost the same to rent one and now I have one in the tool chest for applications like this. I do not do stuff like this enough to justify buying a heavy duty quality rotohammer. These bits worked great but I do not think I would get the same results if I was using my regular non hammer drill.
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