Q3015AE8ESC - Binzel Style M6 Contact Tip 0.030" (0.8mm)

Precision M6 Contact Tip for 0.030" (0.8mm) Wire

The B3015AE8ESC is a high-performance contact tip designed for use with Binzel-style MIG welding guns. Engineered to meet the rigorous demands of industrial welding, this consumable plays a critical role in the transfer of welding current to the electrode wire. It features a standard M6 thread, making it compatible with a broad spectrum of torch models, including the popular MB15, MB24, MB25, and MB36 series. The tip is machined from high-grade copper (E-Cu), selected for its superior electrical conductivity and thermal dissipation properties.

The internal bore is precision-drilled to 0.030 inches (0.8mm), providing the optimal tolerance for standard 0.030" solid MIG wires. This tight tolerance is essential for maintaining a consistent electrical contact point (the sliding contact) as the wire feeds through the gun. A bore that is too loose can cause micro-arcing inside the tip, leading to premature wear and unstable arc characteristics, while a bore that is too tight can cause friction and feeding issues. This tip strikes the ideal balance, ensuring smooth wire delivery and a focused, stable arc.

Thermal management is another key aspect of this component. As the final point of contact before the arc, the tip is subjected to intense radiant heat. The copper construction efficiently draws heat away from the front end, reducing the risk of the tip softening or the wire fusing to the bore (burnback). Regular inspection and replacement of the contact tip are recommended to maintain weld quality, as worn tips can lead to wandering arcs and poor bead profile. This product serves as a direct replacement for standard part numbers such as 140.0059.

Technical Specifications:

• Thread Type: M6 x 1.0
• Wire Compatibility: 0.030" (0.8mm)
• Material: Electrolytic Copper
• Length: Approx. 25mm (Standard Short)