SQUARE FEMALE THREAD
28:54
Look how I make a WORM SCREW with trapezoidal thread
20:33
I make PERFECT SPHERE of STEEL on my lathe
17:05
MALE SQUARE THREAD with traveling steady rest
10:12
Square Thread In Lathe (Calculations)
29:57
Fabrique Esta Herramienta Para Hacer Roscas Con Tarraja y Machuelos.
29:01
Parting-off on the Lathe - Rigidity, Rigidity... and a Spring!
17:13
ROSCA de 3 entradas en TORNO universal #fresadora #torno #metal
5:56