The Miller 223018 FasTip Contact Tip is a specialized consumable designed specifically for the unique demands of aluminum MIG welding. Engineered with a 0.312-inch outside diameter, these tips are precision-machined to accommodate .040-inch and .045-inch aluminum wires. Aluminum wire is significantly softer than steel and expands more rapidly when heated; consequently, these tips feature bore tolerances strictly controlled to prevent binding and ensure smooth wire feeding, which is critical for preventing bird-nesting in push-pull and spool gun systems.
This 10-pack of contact tips is part of the Miller FasTip series, known for its innovative thread design that allows for quick and secure installation. The FasTip system maximizes electrical conductivity and heat transfer, ensuring a stable arc and prolonged consumable life even under the higher amperage often required for aluminum fabrication. These tips are essential for maintaining the performance of high-end aluminum welding setups.
These contact tips are directly compatible with a range of Miller's premium aluminum feeding systems. They are the standard replacement part for Miller Roughneck C Series MIG guns, as well as the industry-standard Spoolmatic 15A and 30A spool guns. Additionally, they fit Miller XR Push-Pull guns, making them a versatile inventory item for shops running multiple Miller aluminum setups. Proper tip selection is vital for aluminum welding; using these specific "AL" designated tips ensures that the wire moves freely without arcing inside the tip, a common issue when using standard steel tips for aluminum applications.
| Additional Information |
|---|
| Brand:Miller |
| Item:Contact Tip |
| Wire Size:0.040", 0.045" |
| Wire Type:Aluminum |
| Packaging Description:10 in a pack |
| Fits Which Model:XR, XRM, Spoolmatic 15, 30A |
| Outside Diameter:0.312" |
| Tip Series:FasTip |
| Material:Copper |
