
How to Choose the Perfect Air Compressor Hose / Help & Advice …
While the external diameter of air hoses will vary wildly depending on the quality of the hose and the material it’s made from, common internal sizes of air hose are 6mm, 8mm and 10mm internal diameter. The rule of thu when picking your hose I.D is the higher the CFM requirement of your air tool, the larger the diameter hose you’ll need.