Pro-source 040-7E3 Tig Welding Rod 7in 0.04in Dia E3

Product Description

The PRO-SOURCE 040-7E3 is an E3 type TIG welding rod designed for precision tungsten inert gas welding applications. Measuring 7 inches in overall length with a 0.04 inch diameter, this rod is color-coded purple in accordance with the E3 tungsten electrode standard. E3 electrodes are a rare-earth blend that provides stable arc starting and consistent arc performance across a range of welding parameters. The 0.04 inch diameter makes this rod suited to fine, low-amperage work where arc control and weld bead precision are critical. Professional welders and fabricators working in light-gauge metal applications will find this rod fits standard TIG torch collet bodies designed for that diameter.

This welding rod is intended for TIG welding in professional fabrication, maintenance, and repair environments. The E3 tungsten type is compatible with both AC and DC welding processes, making it a versatile choice for shops working with a variety of base metals. The small diameter suits thin-material work where excess heat input must be minimized. Each package contains 10 rods, providing enough inventory for extended work on a project or routine shop restocking.

Key Features

• E3 type tungsten electrode with purple color code for easy identification
• 7 inch overall length fits standard TIG torch configurations
• 0.04 inch diameter suited for low-amperage, fine-detail TIG work
• Rare-earth blend composition supports stable arc starting on AC and DC processes
• Packaged in a quantity of 10 rods per unit

Compatibility

Designed as an OEM-style replacement rod for standard TIG torch collet bodies accepting a 0.04 inch diameter tungsten electrode.

Installation Notes

TIG tungsten electrodes are installed and replaced by certified welders or qualified fabrication technicians. Ensure the welding machine is powered off and the torch is cool before changing the electrode. The rod must be properly seated and tightened in the collet body to prevent arc instability or electrode pullback during welding. Follow applicable AWS and workplace safety standards when grinding or preparing the electrode tip.