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.