> Hello All,
> Please forgive the off topic question (again).
> So I borrowed my friends big beefy 1/2" electirc drill-unfortunatley it is
> not a hammer drill.
> I am drilling into the cement in my garage floor and one hole goes
> great. The other two go about halfway and jsut stop. I am leaning on the
> drill and things are getting hot and I'm leaning and leaning on it and
> nothing... I clean out the hole and look inside and maybe I think I can
> see a rock that I am trying to drill thru. Is this normal for drilling into
> cement?? Is this why I need a hammer drill?? Can I get thru these
> or do I just have to give up and move my bender stand???
> Daniel Neuman
> SF CA USA