KP2745-564-B100 - Lincoln Magnum PRO Copper Plus Contact Tip, 550A, 5/64 in, 100-Pack

Superior Arc Performance and Extended Life for Magnum PRO Guns

Upgrade your welding experience with the Lincoln Electric KP2745-564-B100 Magnum PRO Contact Tip, designed to keep you welding longer with fewer interruptions. Every welder knows the frustration of a contact tip that overheats, causing the wire to drag, the arc to stutter, and the tip to eventually fuse to the diffuser. Lincoln Electric has engineered the Magnum PRO line to solve these specific pain points, delivering a consumable that stands up to the heat of 550A welding while providing the smooth, consistent wire feeding necessary for high-quality welds.

The secret to the performance of this 5/64-inch tip lies in the Copper Plus design. By increasing the diameter of the tip, Lincoln Electric has packed more copper into the consumable. This extra material serves a crucial purpose: it pulls heat away from the wire contact point much faster than standard, thinner tips. A cooler tip means the wire feeds more smoothly with less friction, reducing the micro-arcing inside the bore that leads to premature failure. For the welder, this translates to a stable, predictable arc that goes exactly where you point it, hour after hour.

Changing contact tips should be a quick, routine task, not a struggle with a pair of pliers. The KP2745-564 features Anti-Seize Threading, a thoughtful engineering detail that prevents the tip from welding itself to the diffuser. The unique thread profile accommodates thermal expansion without locking up, so you can often unscrew the tip by hand even after a long shift of high-heat welding. This feature protects your gas diffuser threads and ensures that your scheduled maintenance doesn't turn into a repair job.

This 100-pack bulk option is perfect for busy shops running 5/64" wire for structural steel, heavy equipment repair, or vessel fabrication. By stocking the KP2745-564-B100, you ensure your Magnum PRO MIG guns are always ready to perform at their peak. Whether you are running solid wire or flux-cored wire, these tips provide the electrical conductivity and thermal durability required for professional results.