Sks/AK front sight post .. Same threads ?

[Fishermaan4x4]

Are they the same threads? And I assume cz858 are reverse threads? Can someone confirm this for me?

 

[svt1940]

Are they the same threads? And I assume cz858 are reverse threads? Can someone confirm this for me?

AK&SKS have same threads,its the only parts that interchange between them. Cz 858 are threaded normal but they dont interchangem with the AK/SKS.
Jocelyn