046785 - Miller .047 U-Groove Drive Roll Kit for 50 Series & Millermatic Feeders

Smooth Aluminum Feeding for Professional Results

Struggling with aluminum wire feeding issues? The Miller 046785 Drive Roll Kit is your solution for consistent, trouble-free welding with .047" (3/64") aluminum wire. Aluminum is notoriously difficult to feed due to its softness and lack of column strength. Using the wrong drive rolls—such as standard V-grooves designed for steel—can crush the wire, causing shavings to build up in your liner and leading to frustrating burn-backs or birdnests. This genuine Miller kit features a U-Groove design that gently grips the wire without deforming it, ensuring it slides smoothly through your gun and into the weld pool.

Designed specifically for 4-roll wire drive systems, this kit maximizes feeding power while minimizing the crushing force on the wire. With four points of contact, your feeder can push soft aluminum wire over longer distances and through complex torch angles with ease. This is the exact OEM kit required for popular industrial machines like the Millermatic 252 and Millermatic 350P, as well as standalone 50 Series and 24A feeders. If you are setting up your rig for aluminum fabrication or simply replacing worn-out rollers, this kit provides everything you need in one package.

The kit comes complete with four U-groove drive rolls and the necessary wire guides (inlet and intermediate). Replacing the guides is just as important as replacing the rolls, as they prevent the wire from wandering or scraping against the feeder housing. By installing the full kit, you ensure optimal alignment and reduce drag in the system. Whether you are fabricating boat hulls, repairing aluminum trailers, or working on custom automotive parts, trusting genuine Miller drive rolls will save you downtime and improve the look of your finished welds.

Don't compromise on your equipment's performance. Worn drive rolls can slip, causing irregular wire speeds and inconsistent arc starts. Upgrading to a fresh set of U-Groove rolls is one of the most cost-effective ways to improve your aluminum welding experience. This kit is built to Miller's high standards of quality and durability, giving you the confidence to tackle demanding jobs without worrying about your wire feeder jamming in the middle of a bead.