Joined: May 2010
Posts: 591
Likes: 1
From: Bucharest, Romania, Europe
Bikes: 1989 Krapf (with Dura-ace) road bike, 1973 Sputnik (made by XB3) road bike , 1961 Peugeot fixed gear, 2010 Trek 4400
a very good way to thread things with many TPI is a lathe for threading pipes. The only requirement is to have the fork fitted onto a pipe centered on the steering tube, and that lathe should have a 60 degree cutting tool, and a suitable pitch.