Craig wrote:

What would be the best way to cut a round bottom groove (need a few
diff. sizes-1" 11/4" and 11/2") in a piece of steel about 8-9" in dia.?
I want to make dies for a tubing bender. Would a radius attachment work
for something like this? Where could I find one?
Thanks,
Craig



Something like this?


http://cgi.ebay.com/ws/eBayISAPI.dll...6584 810&rd=1