U.S imperial threads...help id'ing them needed

[curtis]

Hi,
in engineering terms imperial thread sizes (at least here in the UK) vary. There are sizes such as whitworth, BSF, BSP, BA etc.

Anyone know which one is used in the US?

I want to get myself a thread guage and I'm not sure which one i need

any ideas?

cheers,
steve

 

[Ron Thorn]

Unified, formerly American National Standard is the ... standard, heh.

 

[curtis]

Thanks Ron, much appreciated,



steve