621-0001-10 - MK Products 0.035 Spray Arc Contact Tip (Pack of 10)

Precision MK Products Contact Tips for Spray Arc Welding

The MK Products 621-0001-10 is a specialized contact tip designed to meet the rigorous demands of spray arc MIG welding, particularly when working with aluminum wire. In the spray arc transfer mode, high currents and voltages create significant heat, causing the welding wire to expand as it passes through the gun. Standard contact tips with tight tolerances can cause the expanding wire to seize, leading to erratic feeding, bird-nesting, and arc instability. This "Spray Arc" specific tip features a precision-bored 0.044-inch inner diameter (ID), providing the ideal clearance for 0.035-inch wire to expand thermally without compromising electrical contact.

Manufactured from high-grade copper alloy, these tips ensure superior electrical conductivity, which is critical for maintaining the stable arc required for high-quality aluminum welds. The 1/4-20 threaded base ensures a secure mechanical and electrical connection to the gas cup or tip holder of your MK push-pull gun. These tips are compatible with industry-leading MK Products systems, including the Cobra, Python, and Prince push-pull guns, as well as various spool guns. By using genuine MK consumables, operators can reduce downtime associated with burnbacks and tip fusing.

This package contains 10 contact tips, ensuring you have an adequate supply for production environments. Proper tip selection is vital for the longevity of your welding equipment and the quality of your output. When welding in spray transfer mode, relying on the specific geometry of the 621-0001 tip guarantees that your wire feeds smoothly and your arc remains focused.