The nut is threaded in two directions at once.
Hello everyone and enjoy your viewing!) I leave the requisites for those who want to help in the development of the channel, to buy a new professional camera SONY A7III:
PayPal: https://paypal.me/OlegPevtsov?locale....
May the force be with you!)

Carved a threaded nut in two directions as you asked.) It turned out very cool. Bolt with metric thread in two directions. Two nuts, one with a left-hand thread and the other with a right-hand thread in ten rounds.
Male cut-off cutter: http://ali.pub/5cr4gs
Music from Epidemic Sound: https://www.epidemicsound.com/referra...