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Keep your welds clean and your arc stable with this 2-pack of Tweco 21-50-F MIG nozzles. If you are running a Tweco #1, Mini-MIG, or a Lincoln Magnum 100L gun, these are likely the standard nozzles you need for day-to-day welding. The 1/2-inch bore is the "goldilocks" size for most garage and shop projects—wide enough to give you good gas coverage on steel, but narrow enough to get into tighter corners without snagging.
Why Choose Flush?
This nozzle features a flush tip design. Unlike recessed nozzles that bury the tip deep inside, a flush nozzle brings the contact tip even with the nozzle edge. This is fantastic for visibility; you can see exactly where your wire is hitting the joint. It also makes it easier to maintain the correct stick-out length, which is crucial for getting that crisp "bacon frying" sound and consistent penetration.
Built for the Grind
Made from heavy-duty copper, these nozzles resist heat buildup and take a beating. The slip-on design means no wrestling with seized threads when it's time to clean out spatter—just twist and pull. Whether you are fixing a trailer, working on auto body panels, or fabricating brackets, having a fresh nozzle on hand ensures your shielding gas flows smoothly and your welds stay porosity-free. Grab this 2-pack and keep your torch running like new.
| Additional Information |
|---|
| Brand:Tweco |
| Item:Nozzle |
| Packaging Description:pack of 2 |
| Fits Which Model:Lincoln LF-72, LN-25, Power MIG Series |
| Series:21 Series |
| Bore Size:1/2" (12.7 mm) |
| Tip Relationship:Flush |
| Connection Type:Slip-on |
| Material:Copper Alloy |
| Compatible Guns:Tweco #1, Tweco Mini-MIG, Lincoln Magnum 100L |
