10N44 - 10N44 #12 Alumina TIG Cup (Pack of 10)

Technical Overview of the 10N44 Alumina Nozzle

The 10N44 Alumina Nozzle is a critical consumable for Gas Tungsten Arc Welding (GTAW), specifically designed to fit the industry-standard 3-Series torch platform. This includes the air-cooled 17 and 26 series torches, as well as the water-cooled 18 series models. The nozzle features a #12 orifice, which corresponds to a 3/4-inch (19mm) inner diameter at the exit. This large bore size is engineered to provide a wide, stable column of shielding gas, making it essential for applications where atmospheric contamination must be strictly minimized, such as when welding reactive metals or performing long stick-out maneuvers.

Manufactured from high-purity alumina ceramic, the 10N44 offers exceptional thermal stability and electrical insulation. It is capable of withstanding the high temperatures generated during AC and DC TIG welding without fracturing or degrading. The ceramic material also exhibits low thermal conductivity, helping to insulate the torch head from the radiant heat of the arc. This nozzle is designed to thread onto standard collet bodies (such as the 10N32 or 10N28) and is not intended for use with gas lens assemblies, which utilize a different thread pitch and diameter (54N series).

As a generic replacement part, this nozzle meets the dimensional specifications of OEM parts from manufacturers like Weldcraft, Miller, and CK Worldwide. It provides a reliable seal against the torch insulator, ensuring that shielding gas is directed entirely through the cup orifice. The 10N44 is a standard stock item for industrial fabrication environments, offering a balance of durability and performance for manual and automated TIG processes.