For high-stress situations, Self-Lock produces an internal thread that yields a self-locking screw connection that can be used repeatedly.” The special profile of the Self-Lock thread allows an even ...

Thomas SvedaCharleroi, Pa. When metric threading on an English lathe, I can not use the thread dial to pick up the metric thread lead, and it is not always practical to keep the half nuts engaged at ...

Lathes are complicated machines, and buying one requires weighing a lot of options. We’ve already talked about buying new Asian, or old American machines (with apologies to the Germans, British, Swiss ...

The king of machine tools is the lathe, and if the king has a heart, it’s probably the leadscrew. That’s the bit that allows threading operations, arguably the most important job a lathe can tackle.