KP3583-1-62R - Lincoln Magnum PRO 550A Nozzle Front, 5/8 Bore, 1/8 Recess

Heavy-Duty Performance for High-Amperage Welding

The Lincoln Electric KP3583-1-62R Magnum PRO Heavy Duty Nozzle Front End is engineered to meet the rigorous demands of industrial fabrication environments. Designed specifically for the Magnum PRO 550A series of MIG guns, this nozzle front end provides exceptional durability and performance when operating at high amperages. By utilizing a robust two-piece design, Lincoln Electric allows welders to replace only the front end of the nozzle assembly when worn, rather than discarding the entire unit. This innovative approach significantly reduces consumable waste and lowers overall operational costs for workshops and production lines.

Constructed with heavy-duty insulation, the KP3583-1-62R is built to withstand the intense heat generated during 550A welding procedures. The component features a 5/8-inch (15.9 mm) internal diameter (ID), which provides a broad umbrella of shielding gas coverage, essential for maintaining weld pool purity and preventing porosity in heavy structural welds. The 1/8-inch (3.2 mm) contact tip recess ensures the contact tip stays protected within the nozzle, reducing the risk of shorting against the workpiece while allowing for optimal wire stick-out in standard welding positions.

Maintenance Made Easy

One of the standout features of this nozzle front end is its high-quality nickel plating. Unlike bare copper nozzles that attract and hold molten spatter, the nickel finish creates a slick surface that prevents spatter from bonding. This makes cleaning the nozzle quick and effortless, often requiring just a simple tap or wipe to remove debris. Furthermore, the unit is designed with coarse threads that resist seizing, ensuring that the nozzle can be easily unscrewed and replaced even after long shifts of continuous welding. This attention to detail minimizes downtime and keeps your welding operations running smoothly.

Key Specifications

• Amperage Rating: 550A
• Bore Size: 5/8 in (15.9 mm)
• Tip Recess: 1/8 in (3.2 mm)
• Compatibility: Magnum PRO 550A Expendables