Chuck, thanks for the tip, but could you please be a wee bit more precise? It's a big wide world out there on the internet.
I found an MSC Industrial Supply Co. that has about a thousand different dies, and thousands of taps*, but not an MCS that made much sense.
If you did indeed mean MSC, then they even have a 1/4-30 die! But no 1/4-25 that I can see.
Patrick
*Not a joke or exaggeration. Look it up! 1750 dies. 17570 taps.
In 1/4" diameter you can have 18,20,24,27,28,30,32,36,40,48,56,72,or 80 t.p.i. !!!
But no 25 tpi.