Posted 4/11/2018 11:19 (#6702717 - in reply to #6702673) Subject: RE: Lathe tool holder mounting t bolts...pics
NW Washington
What make and model of lathe do you have? Check some of the machinist and home shop machinist web sites. I am sure there are sources of old lathe parts if search them out.
But it does not look like making a replacement bolt would very hard if you wanted to and had the time.