0558102823 - ESAB G 1/8 to 5/8-18 Gas Adapter Fitting

Get Hooked Up and Start Welding

There is nothing more frustrating than getting a new machine or replacement hose only to find the threads don't match. The ESAB Gas Outlet Adaptor (0558102823) is the problem-solver you need in your toolbox. If you are working with ESAB equipment that features a G 1/8" gas outlet, this handy brass fitting converts it instantly to the standard 5/8"-18 thread found on almost all standard welding gas hoses in the US. Don't let a mismatched thread hold up your project; this simple adapter gets you up and running in minutes.

Built tough for the shop environment, this adapter is made from solid brass. Why does that matter? Brass is tough enough to handle the torque of tightening but soft enough to create a great seal against other metals, ensuring you aren't leaking shielding gas all over the shop. Leaky connections not only waste money—argon and CO2 aren't free—but they can also suck in air, ruining your welds with porosity. With this genuine ESAB part, you get a tight, reliable connection every time.

This fitting is perfect for welders who need to adapt their rig to standard equipment. Maybe you have a European-spec machine but want to use the heavy-duty hoses you already own. This adapter makes that possible. It’s small, lightweight, and easy to install with a crescent wrench or fixed spanner. It’s a small part that plays a huge role in your setup.

Whether you are TIG welding stainless steel or MIG welding mild steel, your shielding gas flow is critical. Ensure that flow is uninterrupted and leak-free. Keep a couple of these adapters in your parts bin so you are never caught off guard by incompatible threads again. Stick with genuine ESAB parts to ensure the threads are cut right and the fit is perfect.