Skip to Main Content
Canadian
Canadian owned and operated

KP2742-1-62S-B25 - Lincoln Magnum PRO 350A MIG Nozzle 1/8 Stickout 5/8 ID (25-Pack)

Packaging: 25 Per Ea
$42.66/EA $687.00/25 Per Ea only $27.48/EASave 36%

Usually ships within 3-5 business days

OVERVIEW

Maximize Performance with Lincoln Magnum PRO 350A Nozzles

For professional welders utilizing the Lincoln Electric Magnum PRO semi-automatic welding guns, the KP2742-1-62S-B25 gas nozzle is a critical component for achieving superior arc stability and weld integrity. This 25-pack of nozzles is designed to meet the rigorous demands of 350-amp welding environments. The thread-on design is a significant upgrade over slip-on models, offering a mechanical lock that prevents the nozzle from vibrating loose or falling off during overhead or out-of-position welding. This secure connection also ensures concentricity, keeping the contact tip perfectly centered within the gas flow for uniform shielding.

The geometry of this nozzle is tailored for specific welding needs. With a 1/8 inch (3.2 mm) stickout, the contact tip is recessed just enough to protect it from the immediate heat of the arc and potential burn-back, while still allowing the welder to maintain a tight stick-out distance for optimal penetration and control. The 5/8 inch (15.9 mm) inner diameter is the industry standard for medium-to-heavy duty applications, providing a robust column of shielding gas that effectively covers the weld zone even in drafty shop conditions or when moving at higher travel speeds. This balance of stickout and bore size makes it a versatile choice for flux-cored and solid wire applications alike.

Heat management is where the Magnum PRO series truly shines. These nozzles are engineered with high-quality copper alloys and insulation materials that effectively channel heat away from the front end. A cooler running nozzle means less spatter adherence, making it easier to clean and maintain during the workday. When spatter does accumulate, the robust construction allows for easy removal without deforming the nozzle shape. This thermal efficiency translates directly to productivity; welders spend less time troubleshooting feed issues caused by overheated tips and more time laying beads.

Investing in the KP2742-1-62S-B25 bulk pack ensures your welding station is always stocked with high-performance consumables. Consistent maintenance of your MIG gun's front end is the easiest way to ensure weld quality, and having fresh nozzles on hand prevents the temptation to overuse worn-out parts that compromise gas coverage. Choose Lincoln Electric's Magnum PRO consumables for a seamless, high-quality welding experience that stands up to the toughest industrial challenges.

Additional Information
Amperage:350
Brand:Lincoln Electric
Packaging Description:25 Per Ea
Stickout:1/8 in (3.2 mm)
Bore Diameter:5/8 in (15.9 mm)
Connection Type:Thread-on
Compatible Series:Magnum PRO
Process:MIG/MAG

INCLUDED

  • 25 x Lincoln Electric KP2742-1-62S Magnum PRO Nozzles (350A, 1/8 in. Stickout, 5/8 in. ID)

APPLICATIONS

  • Heavy industrial fabrication
  • Structural steel construction
  • Automotive and transportation manufacturing
  • Shipbuilding and marine repair
  • General maintenance and repair operations (MRO)
  • Robotic and semi-automatic welding cells

FAQ

This nozzle is specifically designed for use with Lincoln Electric Magnum PRO Semi-Automatic Welding Guns.

The KP2742-1-62S is rated for welding applications up to 350 Amps.

This nozzle features a 1/8 inch (3.2 mm) stickout, meaning the contact tip is recessed by this amount.

The inner diameter is 5/8 inch (15.9 mm), providing a standard gas coverage area for medium to heavy welding.

It uses a thread-on connection, which provides a secure fit and better heat transfer compared to slip-on nozzles.

This is a bulk package containing 25 nozzles (KP2742-1-62S-B25).

Yes, the Magnum PRO design effectively dissipates heat to keep the welding gun cooler during extensive usage.