Smiths Square Number Impulse Tachometer
Posted: Sun Jan 23, 2022 9:42 pm
I just picked up an old square number Smiths impulse tachometer. It is missing the nuts for the mounting studs and I'm having a hard time figuring out the correct thread size.
An 8-32 seems like it wants to start but only goes a turn or two. As the studs are not in perfect shape I don't want to force anything.
Anyone know what the correct thread is on these studs? Metric maybe?
jack
An 8-32 seems like it wants to start but only goes a turn or two. As the studs are not in perfect shape I don't want to force anything.
Anyone know what the correct thread is on these studs? Metric maybe?
jack