Inch unf threads and hoses 3/8” and 7/16”

Generally types of threads measured in inches we can divide into a few essential groups. And for pneumatics purposes somehow one day man should know almost all of them.

UNF JIC (used in diving – all 3/8” and 7/16” types are UNF JIC types)


This standard is basically used in low pressure (<10 bar) compressors

What’s the Difference between 4 Screw Thread Types?

And Polish more experience – based source: