WHAT A MESS

Some do.Some dont,SOME almost ,Man what a mess,{FITTINGS} ah. a bunch of Bologna WHY NPT BSPP and a whole other slew of letters,just reading another thread and the member couldnt get the hose to connect tothe compressor,,i want to be safe and want to buy AMERICAN MADE ,my issue is some of theese knock offs almost work ,is there a common one we all should be using ,,some in the know,will you please take a minute to straighten this out please HYNZIE
 
In my buying experience I have found that at least 60% of the cheap foster fitting are a different size than the ones you get from the reputable US vendors the cheap male fosters are slightly larger than the good ones and the female fosters are slightly bigger and will blow off a male foster that is not of the same manufacturer. I’ve complained to some vendors and they honestly tried to help by sending me replacements but it’s still the same garbage. I will not be ordering anything with a foster from a Chinese vendor. I’d rather spend $15 -$20 for a fitting that works .
 
Just have to know what type of threads you are dealing with. Bspp, npt, or M10*1 usually. Contact manufacturer and find out thread type. Once I figured out to find out the proper threads used, I have had no trouble getting the right fittings. A lot of the american sold fittings are bspp or npt, a lot of the chinese fittings use M10*1. Good luck.