The Bernard Style 7489 Contact Tip is a premium aftermarket consumable designed to meet the rigorous demands of industrial MIG welding. Engineered for compatibility with the widely used Centerfire™ system, this contact tip features a distinctive elliptical shape that sets it apart from traditional threaded designs. The unique geometry is not merely aesthetic; it serves a critical function by increasing the surface area of contact between the tip and the gas diffuser. This enhanced surface area improves electrical conductivity and facilitates superior heat dissipation, ensuring the tip runs cooler and lasts longer even during high-amperage welding cycles.
Designed specifically for use with .035-inch (0.9mm) welding wire, this tip is precision-machined to ensure smooth wire feeding and consistent arc stability. It is fully compatible with 4335 and 4435 gas diffusers, making it a seamless replacement for existing setups using Bernard Q-Gun, S-Gun, or T-Gun series MIG guns. The absence of threads eliminates the risk of cross-threading or seizing, common issues in high-heat environments. Instead, the tip utilizes a tapered base that drops into the diffuser and is locked firmly in place by the nozzle, ensuring a concentric alignment for optimal gas coverage.
Industrial professionals appreciate the efficiency of the threadless design. Changeovers are tool-free and can be performed in seconds, significantly reducing downtime on the production line. Whether welding mild steel, stainless steel, or aluminum, the Bernard Style 7489 provides reliable performance and arc starting characteristics. By maintaining a cooler operating temperature, it reduces the likelihood of burn-backs and spatter adhesion, contributing to cleaner welds and reduced post-weld cleanup.
| Additional Information |
|---|
| Packaging Description:10 in a pack |
| Item:Contact Tip |
| Brand:Bernard Style |
| Wire Size:0.035 |
| Fits Which Model:NA |
| Series:Centerfire, Elliptical |
| Material:Copper |
| Design:Drop-in, Threadless |
