It´s not a cheep drill bit, it´s a dormer A002. And i thought that was a fake Dormer but it´s not. I alread taltked to Dormer and my outfitter.
So, i´m not sure what material it is, but it is a low carbor, i think. It´s a shame, but the previouly drill that I made were ok, for example, 8mm...