![CO2 REGULATOR NUT](http://shop.weldability-sif.com/cdn/shop/products/DACO2NUT_1_large.jpg?v=1633451876)
CO2 REGULATOR NUT
CO2 cylinders have a male outlet and the CO2 regulator connects to it via a nut, which can become damaged over time from the wear and tear of changing bottles. This damage can cause leaks at the connection, so the regulator nuts are often replaced.