Re: Starreet thread gauges
The first number is the thread pitch. The second number is the double depth.
Gene
Edit: Actually the first number is the number of threads per inch, sometimes referred to as the pitch. The pitch is the distance from one thread to the next. It can be confusing.
Re: Starreet thread gauges
Thanks Mike, I guess I am not used to seeing a /80 thread profile, when I looked at it it seemed way too fine so never even bothered to try it, anyway just shows how smart I am not!
Mike