Originally Posted by Nessism
My suggestion is to stay the course and keep grinding, a cheap air type die grinder works okay and the bits are way cheaper than dremmel type since the arbor is 1/4".
I agree, my $10 harbor freight die grinder works way better than it's price tag suggests. and get some of these:
http://www.grizzly.com/products/h6100 they work better and last longer than your standard dremel bits.