Buy For soft walls / materials really great, with solid concrete something else

The Borhkrone is very well suited for soft wall materials (Bimswände). Poroton walls, honeycomb bricks, plasterboard and similar materials should also not be a problem.
The boring of hard concrete (basement foundation with large pebbles) is very tiring and very slow despite percussion drilling. The holes in the concrete, I then chiseled but at the end, and even that was very difficult since very solid concrete.

Conclusion:
Soft walls represent no problem.
Also wood comes to drill, if needs be. The holes can be drilled quickly. The Borhkern comes in part from itself from the drilled hole herraus, otherwise it is very easy to push away with a chisel. Electric empty cans fit perfectly into the holes and can be well festgepist. For low doses must be reamed again.

For solid, dense concrete should be a better drill bit, possibly buy with Diamantbeflockung. Good bits in Industreiqualität you get not only free from 60 euros upwards.
After Betonbohraktion significant wear of drilling teeth are visible.