Posted by Tom Salzer on September 9, 2008, 3:46 pm, in reply to "Bushings"
These bushings are a good lathe project. The major difficulties are cutting the thread to a shoulder, and timing the thread. I don't know how a gunmaker(smith) would time the thread, but I leave the .350 diameter head long, install the screw, mark it, then cut it to the correct length and slot it.