"MATHSMAN" wrote in
message oups.com...
I need to cut a square hole through a stainless bolt, using it as a
lathe
tool holder.I have drilled bolt no problem with Cobalt drills. Is it
now
down to a lot of work with taper files or can I BROACH IT?

http://www.mscdirect.com/browse/tn/H...navid=12106096

Can you drill an oversized hole and clamp the bit between two nuts?

-jsw