powertools - Want to know how hex bit shank works and the history
![](https://i.stack.imgur.com/BFfqf.jpg)
I have tried to search this in google but I haven't found a complete explanation, so I ask this here. I also have read other answers related with hex bit socket, but it still not satisfied. How the
![](https://i.stack.imgur.com/VedLs.jpg)
powertools - Want to know how hex bit shank works and the history behind it's design - Home Improvement Stack Exchange
![](https://i.stack.imgur.com/FNJuz.jpg)
powertools - Want to know how hex bit shank works and the history behind it's design - Home Improvement Stack Exchange
![](https://i.stack.imgur.com/6zeDg.jpg)
powertools - Want to know how hex bit shank works and the history behind it's design - Home Improvement Stack Exchange
![](https://i.stack.imgur.com/w3Et5.jpg)
powertools - Want to know how hex bit shank works and the history behind it's design - Home Improvement Stack Exchange
![](https://i.stack.imgur.com/BFfqf.jpg)
powertools - Want to know how hex bit shank works and the history behind it's design - Home Improvement Stack Exchange