KP2745-764R-B100 - Lincoln Magnum PRO 550A Contact Tip 7/64 Copper Plus (100 Pack)

Heavy-Duty Industrial Performance

The Lincoln Electric KP2745-764R-B100 Magnum PRO Copper Plus Contact Tip is engineered for the most demanding industrial environments. Designed to handle high-amperage welding up to 550A, this contact tip is an essential component for heavy fabrication shops utilizing large diameter 7/64-inch (2.8 mm) wire. The "Copper Plus" designation refers to Lincoln Electric's proprietary copper alloy formulation, which offers significantly higher resistance to wear and thermal deformation compared to standard copper tips. This results in a consumable that maintains electrical conductivity and physical integrity over longer periods, even under the stress of high-heat, high-duty cycle applications.

Reduced Downtime and Maintenance

In high-volume production environments, frequent contact tip changes can lead to substantial accumulated downtime. The Extended Life design of the KP2745-764R addresses this by providing a larger mass and superior heat dissipation properties. By keeping the tip cooler, the risk of wire burn-back and micro-arcing inside the bore is minimized. This specific model features anti-seize threads, ensuring that when it is finally time to replace the tip, it can be removed easily from the gas diffuser without galling or seizing. This 100-pack bulk configuration is specifically tailored for large operations looking to streamline inventory management and ensure that welding stations remain operational without interruption.

Magnum PRO Compatibility

These contact tips are an integral part of the Magnum PRO expendables system. They are designed to mate perfectly with Magnum PRO semi-automatic and robotic MIG guns, ensuring a tight electrical connection and optimal gas coverage. The precise manufacturing tolerances of the 7/64-inch bore ensure consistent wire feeding, which is critical for maintaining arc stability in automated or manual heavy-plate welding. Whether used for flux-cored arc welding (FCAW) or solid wire MIG welding, these tips deliver the reliability professional welders expect from Lincoln Electric.