We demonstrate how to cut square threads, also known as siwar threads, along the interior of a barrel using nothing but a manual lathe and calibrated tooling.

Creating worms with a thread drill on a lathe machine is no easy feat. The process requires incredible skill, precision, and a deep understanding of machining techniques. This video reveals the ...

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 ...