Self-releasing screw for home-made bench press [Making a bench / 14] 

My main project for this year is a custom workbench for my workshop!
It is also a carpentry self-training project. I will be confronted with techniques that I do not know. In this episode, I try to reproduce a disengageable screw system for the screw of my bench press.
*** Summary ***
0:00 introduction
0:58 example of a disengageable screw
2:26 nut preparation
6:37 clutch housing engineering
20:55 review
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