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The Miller 229674 FasTip Liner is a specialized consumable designed to enhance the performance of your Miller MIG welding system, specifically when working with aluminum wire. Aluminum is a soft metal that presents unique feeding challenges; standard steel liners can cause friction, shaving, and feeding issues that disrupt the welding arc. This liner is manufactured from high-grade Teflon, providing a smooth, low-friction path that protects the integrity of the wire as it passes through the head tube.
This specific liner is sized for .030 to .040 inch (0.8 - 1.0 mm) wire diameters and is cut to a length of 6 inches, making it the correct replacement part for head tube assemblies in compatible guns, such as the XR-Aluma-Pro and XR-Pistol-Pro. It acts as a "jump liner" or "neck liner," bridging the gap at the very end of the gun where the wire is most prone to drag. By maintaining a clean, low-friction conduit right up to the contact tip, you ensure consistent wire feed speeds and higher quality welds.
Genuine Miller parts are engineered to precise tolerances. Using the correct liner prevents "bird-nesting" and downtime associated with wire feed jams. Whether you are fabricating aluminum boats, trailers, or signage, the 229674 liner is an essential component for your maintenance kit.
| Additional Information |
|---|
| Brand:Miller |
| Item:Liner |
| Wire Type:Aluminum |
| Packaging Description:1 per each |
| Fits Which Model:Miller XR Aluma-Pro |
| Material:Polytetrafluoroethylene (Teflon) |
| Wire Diameter Capacity:0.030" - 0.040" |
| Length:6 in |
| Component Type:Head Tube Liner |
