hi all. can some one please help me out and give me the
the minor dia for an internal 4 1\2 6tpi uns thread.
I haven't got any of my books here. I'd like to make a test ring.
for the thread on some L0 safety taper backing plates i have to make/
making.
have fun
aaron
im not shore how i got that wrong so ive edited above post its 4 1/2 not 2 1/2 uns 6tpi.
hopfully phil or some one notices.