I made a hollowing tool at work using a piece of 1/2 inch round stock 24" long and milled one end flat and tapped a hole to mount a triangle metal lathe cutter. I tried it out with out a handle it works fine but hard to control gripping only the 1/2' round stock. so now I need to turn a handle. my questions are is a piece of 3/4" copper tubing okay to use as a ferrule? and do I need to flatten the round stock that will go in the handle or is it okay to just epoxy the round stock as is? also how far in should the tool go into the handle?
thanks in advance