Filetage dans deux directions.
18:10
Making a screw-top container to 3D print with Freecad the easy way!
44:30
Der Anschlag in Magdeburg… - Hoss und Hopf #230
13:37
Few people know these cunning ideas at work
12:29
I made a bolt with MAZE threads - Don't strip these threads! - Can you solve the puzzle?
14:04
How to cut a conical thread
13:26
The nut is threaded in two directions at once.
17:31
Jet impeller on a lathe - how is this possible ???
26:12