I'm just looking to plug the hole - neither I nor my computer do constant ppO2.

I'll see how it goes with the 1.5mm and let you know.

Quote Originally Posted by LearnerDiver View Post
That would make sense - M14 x 1 is very fine and M14 x 1.5 is fine and more common.

Are you just wanting to plug the hole?

Just done some searching and Fischer quote M14 x 1mm for a lot of the panel mounts - see http://www.farnell.com/datasheets/1271240.pdf page 34 onwards