thread of switar 10mm non-preset

[Seung Paik]

Anyone knows the thread pitch of kern pillard switar 10mm non-preset?

 

I have that lens for my bolex h-16 rex.

 

I need to order step up ring to a shop but they need to know the thread pitch.

 

Help~!!!!!!!!

[Jean-Louis Seguin]

M32 x 0.5

 

JL

[Seung Paik]

Thank you so much JL!!!!!!!!!!!