
Welders know that the contact tip is the critical transfer point for welding current, and its condition directly impacts weld quality. The Lincoln Electric KP2745-045R Copper Plus Contact Tip is built to withstand the rigors of industrial welding while delivering superior arc characteristics. Designed for .045-inch wire and rated for 550 amps, this tip is the workhorse of the Magnum PRO consumable line. The "Copper Plus" advantage lies in its physical design; the tip carries more mass than standard tips, acting as a superior heat sink. This keeps the tip cooler, preventing the wire from sticking or burning back, which is a common cause of downtime in high-amperage applications.
Durability is key in professional welding, and the KP2745-045R delivers with its Copper Chrome Zirconium construction. This alloy is significantly harder and more durable than standard copper, resisting the wear and tear caused by the abrasive action of the wire feeding through the tip. This resistance to wear ensures that the tip bore remains true for longer, providing consistent aim and electrical contact. Furthermore, the Anti-Seize thread technology is a game-changer for maintenance. By preventing the tip from locking into the gas diffuser due to thermal expansion and spatter buildup, welders can swap out tips by hand or with minimal force, getting back to the arc in seconds rather than minutes.
Inconsistent wire feeding can ruin a weld and lead to costly rework. The KP2745-045R is manufactured with tight tolerances to ensure precise wire guidance. This is particularly beneficial in automated or robotic welding setups, but manual welders will also appreciate the stable arc and predictable puddle control. The extended life of these tips means you spend more time welding and less time walking to the tool crib. With the ability to feed significantly more wire over its lifespan than standard tips, the KP2745-045R offers excellent value and reduces the frequency of changeovers.
This 10-pack of contact tips is the perfect stock-up solution for shops running Lincoln Magnum PRO 200, 300, 400, or 250L MIG guns. The 550A rating makes them suitable for heavy structural fabrication, shipbuilding, heavy equipment repair, and general manufacturing. When paired with Lincoln's high-quality MIG wire, these tips complete a welding system designed for peak efficiency. Don't let inferior consumables bottleneck your production; choose the KP2745-045R for reliable, long-lasting performance that professional welders trust.
| Additional Information |
|---|
| Brand:Lincoln Electric |
| Packaging Description:10 PER EA |
| Wire Diameter:.045 in, 1.2 mm |
| Amperage Rating:550A |
| Material:Copper Chromium Zirconium (CuCrZr) |
| Technology:Copper Plus, Anti-Seize Threads |
| Compatible Guns:Magnum PRO 200, Magnum PRO 300, Magnum PRO 400, Magnum PRO 250L |
| Consumable Type:Contact Tip |