I need a fitting similiar to this for running a hose through my floorboard. I was wondering if anyone has ever seen a fitting like this. Basically, It needs to be a 1/2 " inner diameter at the least, and also threaded so I can secure it.
I have found some similiar items, but don't know how to convert the sizes into actual sizes. For example, how big(in inches) is a #6 line?