Hi Jesse, You said: >Roger, are you referring to welding two HSS drill bits together? > Ah - I guess it is our common language that has got us talking at cross-purposes. When I said "..two bits welded together. ..." I really meant "..two pieces welded together. ..." In other words - two pieces of leaded steel. It seems there is still some confusion as to whether it is possible. When I say " ..welded.." I had in mind MMA (I believe that is the official abbreviation for normal stick welding using an electric arc). I hope that has put everyone on the same wavelength. Cheers, Roger Mason, in brighter St. Agnes. MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.