KP4523-1-50R-B25 - Lincoln Magnum PRO Water-Cooled Nozzle 1/2 Inch ID 1/8 Recess (25-Pack)

High-Performance Consumables for Heavy Fabrication

The Lincoln Electric KP4523-1-50R-B25 is a bulk package of premium gas nozzles designed specifically for the Magnum PRO line of water-cooled semi-automatic welding guns. In high-amperage industrial environments, the integrity of your front-end consumables is critical to maintaining weld quality and reducing downtime. These nozzles are engineered to withstand the intense thermal cycles associated with water-cooled applications, ensuring longevity and consistent performance shift after shift.

This specific nozzle features a 1/2-inch (12.7 mm) inner diameter (ID), which is a standard size suitable for a wide range of welding wire diameters and transfer modes. The 1/8-inch recess positions the contact tip slightly back inside the nozzle. This recessed geometry is particularly beneficial for protecting the contact tip from radiant heat and reducing the likelihood of short-circuiting against the workpiece, while still allowing for excellent visibility of the weld puddle.

Optimized for Magnum PRO Systems

Lincoln's Magnum PRO expendables are designed with a focus on durability and heat dissipation. These nozzles fit securely onto Magnum PRO water-cooled guns, ensuring a tight seal that prevents gas leakage and air aspiration. The result is a laminar flow of shielding gas that effectively protects the molten weld pool from atmospheric contamination, reducing porosity and rework.

Bulk Packaging for Efficiency

Supplied in a bulk pack of 25, this SKU is ideal for large fabrication shops, shipyards, and manufacturing facilities that require a steady supply of consumables. Buying in bulk reduces packaging waste and ensures that welding operators always have replacement parts on hand, minimizing interruptions to production schedules.