265255 - Miller .035 Aluminum U-Groove Drive Roll Kit (4-Roll Set)

Optimized Feeding for Aluminum MIG Welding

The Miller 265255 Drive Roll Kit is a specialized accessory designed to enhance the performance of Miller wire feeders when welding with aluminum. Aluminum wire is significantly softer than steel or stainless steel, making it prone to deformation, crushing, and shaving if fed through standard V-groove rolls. This kit features a precision-engineered U-Groove geometry that cradles the wire, providing necessary traction without altering the wire's cross-sectional shape.

This specific kit is configured for 0.035-inch (0.9 mm) wire and is intended for use with 4-roll wire drive systems. The "4-Roll" designation indicates that the kit includes the necessary components to populate a four-roll drive assembly, which offers superior feeding force and stability compared to two-roll systems, particularly for soft alloys. The rolls feature a polished finish, a critical specification for aluminum applications. A polished surface reduces friction at the contact points, ensuring that the wire glides smoothly into the liner. This reduction in friction helps prevent the generation of aluminum shavings or "fines," which are a common cause of liner clogging and contact tip burn-back.

As a genuine Miller OEM part, the 265255 kit ensures perfect dimensional compatibility with Miller industrial wire feeders. Proper drive roll selection is the first step in achieving a stable arc and consistent weld bead profile in aluminum fabrication. By maintaining the integrity of the wire shape and ensuring smooth delivery, this kit minimizes downtime associated with feed failures and bird-nesting.