Uploaded February 2021 | Updated September 2026, 1 week ago

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See how I make a simple backplate to hold the Sanou 4-jaw independent chuck in another chuck. These small 'piggy back' chucks speed up machining small components considerably on both my lathes. Also see the use of transfer screws to find the chuck PCD.
SEE LINKS BELOW FOR THE SANOU CHUCK AND OTHER TOOLS:-
SANOU K72 Lathe Chuck 80/100/125mm 4 Jaw Independent Hardened Reversible Tool -- bit.ly/2MpBXN2
Machifit ER40 100mm Collet Chuck Compact Lathe Tight Tolerance CNC Collet Chuck Lathe Tool -- bit.ly/3pb0EuW