Miller Standard Duty, Thread-on Nozzle, 1/2" Orifice, Flush Tip, Copper

Stays TightThreaded nozzle stays tight during use / cleaning due to the steel retaining ring on the diffuser.Optimized Wire FeedingConsumables system centers and locks the liner into position at the front and back of the gun for a flawless wire feed path from the feeder to the contact tip. Reduces burnbacks, birdnesting and erratic arc.