Boring a part on the Unimat. The small quick change tool post that I bought on eBay is a "must have". ... Unimat Lathe " Boring Bar Holder machined from 6061T6 aluminum. Finn denne og andre Pins på Unimat SL Lathe av Paul Jones. Se mer. ... Two pieces of aluminum, Two brass thumb screws, Two hex screws, a little drilling and boring, some ...