
I've used these on a propane heater and they fit as they should, but with a metal connection not only is tape required but a rubber gasket like the one you have on the female end of a garden shed (although it would be smaller), otherwise you will get a small leak

Vacuum cleaner Dreame V9 Global, white
145 Review

High-Quality QiiMii Stainless Steel Sanitary Clamp With Silicone Gasket - 2 Inch, Single Pin Tri Clover Design
16 Review

Upgrade Your Draft Beer Kegerator With The TerraBloom CO2 Keg Pressure Regulator - Dual Gauge Heavy Duty Unit With Safety Features
16 Review

Joywayus 5/8" ID Hose Barb Hex Union Brass Fitting Water/Fuel/Air With 10 Stainless Steel Clamps (Pack Of 5)
13 Review