, EVEN rustic knotty hickory twisted grain - every project I use this tip on comes up with almost none hanging grain strands out in the cut This one I have "baby" - never hammer it into any cuts, keep it clean and sharp - the fact that it has the "3" groove is partly why it does outperforms all other 1/2" bits, the "secret" of this lies in the very dense carbide microstructure AND the proper "heat treatment" - when quenched and tempered, a very complex stamp that gives this bit its ability…