Uploaded March 2023 | Updated September 2026, 1 hour ago

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Finally ended up adding left-hand external threading option to the ELS threading function. Along with the diagonal in-feed, it cuts nice clean threads as seen at the end.

The ELS cuts the the threads left to right for left hand threads and the nuts are tightened anti-clockwise.

#australianmachinist #els #lathe #machining