Acetylene gas connector to screw onto the regulator or directly onto the bottles with integrated expansion valve to connect a welding pipe with an internal diameter of 6.3 or 10mm.  

This fitting is compatible with a 15x160 G thread and is equipped with an F + M ISO 7289 quick coupling.

It allows easy manual tightening and avoids the use of a wrench to screw onto a bottle with protective cover for example .  

Accessory for connecting the gas bottle or regulator to the welding torch hose.