KP2742-1-38S-B25 - Lincoln Magnum PRO 350A MIG Nozzle 1/8 Stickout 3/8 ID (25-Pack)

Lincoln Electric KP2742-1-38S-B25 Magnum PRO 350A Nozzle (25-Pack)

The Lincoln Electric KP2742-1-38S-B25 is a premium gas nozzle designed specifically for the Magnum PRO series of semi-automatic welding guns. Engineered to handle welding currents up to 350 amps, this nozzle is an essential consumable for industrial fabrication environments where reliability and longevity are paramount. The nozzle features a 1/8 inch (3.2 mm) stickout, which positions the contact tip slightly protruding from the nozzle edge. This configuration is often preferred by operators who require better visibility of the arc and the weld puddle, particularly when maneuvering into complex joints or following intricate weld paths.

Constructed from high-grade copper alloy, the Magnum PRO nozzle offers superior thermal conductivity. This material choice helps dissipate heat rapidly, preventing the nozzle from overheating during extended welding sessions at high amperages. The 3/8 inch (9.5 mm) inner diameter (bore) provides a focused column of shielding gas, making it particularly effective for welding in tighter spaces where a larger nozzle might be obstructed or where gas turbulence needs to be minimized. The thread-on connection style is a significant upgrade over traditional slip-on nozzles, ensuring a mechanically secure fit that maintains concentricity with the contact tip and diffuser. This secure fit also facilitates better electrical and thermal transfer, contributing to the overall stability of the welding arc.

This product is supplied in a bulk pack of 25, making it an economical choice for high-volume production shops. By maintaining a healthy stock of these essential consumables, fabricators can reduce downtime associated with part replacement. The Magnum PRO platform is renowned for its durability and performance, and using genuine Lincoln Electric consumables ensures that your equipment operates at peak efficiency. Whether you are working on mild steel, stainless steel, or aluminum applications, the KP2742-1-38S-B25 delivers consistent gas coverage and robust protection for your welding gun's front-end parts.