How I make a Hand-piece for the Homemade Hand Engraving Machine part 2 making the Barrel

How I make a Hand-piece for the Homemade Hand Engraving Machine part 2, Machining the Barrel Making the barrel on the lathe out of a 1/2-20 thread 2 1/2inch grip length stainless steel bolt Also see; Shaun Hughes Hand engraving;    • The Homemade Hand Engraving Machine      • Hand Engraving Machine For $65  What it ca...      • My engraving cup runeth over :) Hand piece...