Just checked and my bad, Ed is indeed right, the Phil hub thread is 1.37" x 24 TPI thread, just like the DA or EAI sprockets.
IIRC (and track record not great so far!) the Omniums are closer to a 45mm chainline though, which wasn't a problem for me as I was building up a 45mm chainline Goldtech rear hub for it.
Just checked and my bad, Ed is indeed right, the Phil hub thread is 1.37" x 24 TPI thread, just like the DA or EAI sprockets.
IIRC (and track record not great so far!) the Omniums are closer to a 45mm chainline though, which wasn't a problem for me as I was building up a 45mm chainline Goldtech rear hub for it.